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Posted to commits@lucenenet.apache.org by ni...@apache.org on 2021/02/25 04:06:40 UTC
[lucenenet] 01/08: SWEEP: Lucene.Net.Analysis.Common: Added Lucene
version compatibility level 4.8.1 comment at the top of each file
This is an automated email from the ASF dual-hosted git repository.
nightowl888 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/lucenenet.git
commit ca31ca441348f3ef36b956e497edccc9f858af57
Author: Shad Storhaug <sh...@shadstorhaug.com>
AuthorDate: Tue Feb 23 22:47:13 2021 +0700
SWEEP: Lucene.Net.Analysis.Common: Added Lucene version compatibility level 4.8.1 comment at the top of each file
---
src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizer.cs | 3 ++-
.../Analysis/Ar/ArabicLetterTokenizerFactory.cs | 3 ++-
.../Analysis/Ar/ArabicNormalizationFilter.cs | 3 ++-
.../Analysis/Ar/ArabicNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilter.cs | 3 ++-
.../Analysis/Ar/ArabicStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilter.cs | 3 ++-
.../Analysis/Bg/BulgarianStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilter.cs | 3 ++-
.../Analysis/Br/BrazilianStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ca/CatalanAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/CharFilter/BaseCharFilter.cs | 3 ++-
.../Analysis/CharFilter/HTMLStripCharFilter.cs | 5 +++--
.../Analysis/CharFilter/HTMLStripCharFilterFactory.cs | 3 ++-
.../Analysis/CharFilter/MappingCharFilter.cs | 3 ++-
.../Analysis/CharFilter/MappingCharFilterFactory.cs | 3 ++-
.../Analysis/CharFilter/NormalizeCharMap.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilter.cs | 3 ++-
.../Analysis/Cjk/CJKBigramFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniAnalyzer.cs | 3 ++-
.../Analysis/Ckb/SoraniNormalizationFilter.cs | 3 ++-
.../Analysis/Ckb/SoraniNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilter.cs | 3 ++-
.../Analysis/Ckb/SoraniStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizer.cs | 3 ++-
.../Analysis/Cn/ChineseTokenizerFactory.cs | 3 ++-
.../Analysis/CommonGrams/CommonGramsFilter.cs | 3 ++-
.../Analysis/CommonGrams/CommonGramsFilterFactory.cs | 3 ++-
.../Analysis/CommonGrams/CommonGramsQueryFilter.cs | 3 ++-
.../Analysis/CommonGrams/CommonGramsQueryFilterFactory.cs | 3 ++-
.../Analysis/Compound/CompoundWordTokenFilterBase.cs | 3 ++-
.../Analysis/Compound/DictionaryCompoundWordTokenFilter.cs | 3 ++-
.../Analysis/Compound/DictionaryCompoundWordTokenFilterFactory.cs | 3 ++-
.../Analysis/Compound/Hyphenation/ByteVector.cs | 3 ++-
.../Analysis/Compound/Hyphenation/CharVector.cs | 3 ++-
.../Analysis/Compound/Hyphenation/Hyphen.cs | 3 ++-
.../Analysis/Compound/Hyphenation/Hyphenation.cs | 3 ++-
.../Analysis/Compound/Hyphenation/HyphenationTree.cs | 3 ++-
.../Analysis/Compound/Hyphenation/PatternConsumer.cs | 3 ++-
.../Analysis/Compound/Hyphenation/PatternParser.cs | 3 ++-
.../Analysis/Compound/Hyphenation/TernaryTree.cs | 3 ++-
.../Analysis/Compound/HyphenationCompoundWordTokenFilter.cs | 3 ++-
.../Analysis/Compound/HyphenationCompoundWordTokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizer.cs | 3 ++-
.../Analysis/Core/KeywordTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizer.cs | 3 ++-
.../Analysis/Core/LetterTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilter.cs | 3 ++-
.../Analysis/Core/LowerCaseFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizer.cs | 3 ++-
.../Analysis/Core/LowerCaseTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/SimpleAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/StopAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilter.cs | 3 ++-
.../Analysis/Core/TypeTokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilter.cs | 3 ++-
.../Analysis/Core/UpperCaseFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizer.cs | 3 ++-
.../Analysis/Core/WhitespaceTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Da/DanishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilter.cs | 3 ++-
.../Analysis/De/GermanLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemmer.cs | 3 ++-
.../Analysis/De/GermanMinimalStemFilter.cs | 3 ++-
.../Analysis/De/GermanMinimalStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemmer.cs | 3 ++-
.../Analysis/De/GermanNormalizationFilter.cs | 3 ++-
.../Analysis/De/GermanNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilter.cs | 3 ++-
.../Analysis/De/GermanStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/El/GreekAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilter.cs | 3 ++-
.../Analysis/El/GreekLowerCaseFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/EnglishAnalyzer.cs | 3 ++-
.../Analysis/En/EnglishMinimalStemFilter.cs | 3 ++-
.../Analysis/En/EnglishMinimalStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemmer.cs | 3 ++-
.../Analysis/En/EnglishPossessiveFilter.cs | 3 ++-
.../Analysis/En/EnglishPossessiveFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData1.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData2.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData3.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData4.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData5.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData6.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData7.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemData8.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/KStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilter.cs | 3 ++-
.../Analysis/En/PorterStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilter.cs | 3 ++-
.../Analysis/Es/SpanishLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Eu/BasqueAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilter.cs | 3 ++-
.../Analysis/Fa/PersianCharFilterFactory.cs | 3 ++-
.../Analysis/Fa/PersianNormalizationFilter.cs | 3 ++-
.../Analysis/Fa/PersianNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilter.cs | 3 ++-
.../Analysis/Fi/FinnishLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilter.cs | 3 ++-
.../Analysis/Fr/FrenchLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemmer.cs | 3 ++-
.../Analysis/Fr/FrenchMinimalStemFilter.cs | 3 ++-
.../Analysis/Fr/FrenchMinimalStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilter.cs | 3 ++-
.../Analysis/Ga/IrishLowerCaseFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianAnalyzer.cs | 3 ++-
.../Analysis/Gl/GalicianMinimalStemFilter.cs | 3 ++-
.../Analysis/Gl/GalicianMinimalStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilter.cs | 3 ++-
.../Analysis/Gl/GalicianStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiAnalyzer.cs | 3 ++-
.../Analysis/Hi/HindiNormalizationFilter.cs | 3 ++-
.../Analysis/Hi/HindiNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianAnalyzer.cs | 3 ++-
.../Analysis/Hu/HungarianLightStemFilter.cs | 3 ++-
.../Analysis/Hu/HungarianLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Dictionary.cs | 3 ++-
.../Analysis/Hunspell/HunspellStemFilter.cs | 3 ++-
.../Analysis/Hunspell/HunspellStemFilterFactory.cs | 3 ++-
.../Analysis/Hunspell/ISO8859_14Decoder.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Stemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Hy/ArmenianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilter.cs | 3 ++-
.../Analysis/Id/IndonesianStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemmer.cs | 3 ++-
.../Analysis/In/IndicNormalizationFilter.cs | 3 ++-
.../Analysis/In/IndicNormalizationFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/In/IndicTokenizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/It/ItalianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilter.cs | 3 ++-
.../Analysis/It/ItalianLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilter.cs | 3 ++-
.../Analysis/Lv/LatvianStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemmer.cs | 3 ++-
.../Analysis/Miscellaneous/ASCIIFoldingFilter.cs | 3 ++-
.../Analysis/Miscellaneous/ASCIIFoldingFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/CapitalizationFilter.cs | 3 ++-
.../Analysis/Miscellaneous/CapitalizationFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/CodepointCountFilter.cs | 3 ++-
.../Analysis/Miscellaneous/CodepointCountFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/EmptyTokenStream.cs | 3 ++-
.../Analysis/Miscellaneous/HyphenatedWordsFilter.cs | 3 ++-
.../Analysis/Miscellaneous/HyphenatedWordsFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/KeepWordFilter.cs | 3 ++-
.../Analysis/Miscellaneous/KeepWordFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/KeywordMarkerFilter.cs | 3 ++-
.../Analysis/Miscellaneous/KeywordMarkerFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/KeywordRepeatFilter.cs | 3 ++-
.../Analysis/Miscellaneous/KeywordRepeatFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/LengthFilter.cs | 3 ++-
.../Analysis/Miscellaneous/LengthFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/LimitTokenCountAnalyzer.cs | 3 ++-
.../Analysis/Miscellaneous/LimitTokenCountFilter.cs | 3 ++-
.../Analysis/Miscellaneous/LimitTokenCountFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/LimitTokenPositionFilter.cs | 3 ++-
.../Analysis/Miscellaneous/LimitTokenPositionFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/Lucene47WordDelimiterFilter.cs | 3 ++-
.../Analysis/Miscellaneous/PatternAnalyzer.cs | 3 ++-
.../Analysis/Miscellaneous/PatternKeywordMarkerFilter.cs | 3 ++-
.../Analysis/Miscellaneous/PerFieldAnalyzerWrapper.cs | 3 ++-
.../Analysis/Miscellaneous/PrefixAndSuffixAwareTokenFilter.cs | 3 ++-
.../Analysis/Miscellaneous/PrefixAwareTokenFilter.cs | 3 ++-
.../Analysis/Miscellaneous/RemoveDuplicatesTokenFilter.cs | 3 ++-
.../Analysis/Miscellaneous/RemoveDuplicatesTokenFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/ScandinavianFoldingFilter.cs | 3 ++-
.../Analysis/Miscellaneous/ScandinavianFoldingFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/ScandinavianNormalizationFilter.cs | 3 ++-
.../Analysis/Miscellaneous/ScandinavianNormalizationFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/SetKeywordMarkerFilter.cs | 3 ++-
.../Analysis/Miscellaneous/SingleTokenTokenStream.cs | 3 ++-
.../Analysis/Miscellaneous/StemmerOverrideFilter.cs | 3 ++-
.../Analysis/Miscellaneous/StemmerOverrideFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilter.cs | 3 ++-
.../Analysis/Miscellaneous/TrimFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/TruncateTokenFilter.cs | 3 ++-
.../Analysis/Miscellaneous/TruncateTokenFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/WordDelimiterFilter.cs | 3 ++-
.../Analysis/Miscellaneous/WordDelimiterFilterFactory.cs | 3 ++-
.../Analysis/Miscellaneous/WordDelimiterIterator.cs | 3 ++-
.../Analysis/NGram/EdgeNGramFilterFactory.cs | 3 ++-
.../Analysis/NGram/EdgeNGramTokenFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizer.cs | 3 ++-
.../Analysis/NGram/EdgeNGramTokenizerFactory.cs | 3 ++-
.../Analysis/NGram/Lucene43EdgeNGramTokenizer.cs | 3 ++-
.../Analysis/NGram/Lucene43NGramTokenizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizer.cs | 3 ++-
.../Analysis/NGram/NGramTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianAnalyzer.cs | 3 ++-
.../Analysis/No/NorwegianLightStemFilter.cs | 3 ++-
.../Analysis/No/NorwegianLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemmer.cs | 3 ++-
.../Analysis/No/NorwegianMinimalStemFilter.cs | 3 ++-
.../Analysis/No/NorwegianMinimalStemFilterFactory.cs | 3 ++-
.../Analysis/No/NorwegianMinimalStemmer.cs | 3 ++-
.../Analysis/Path/PathHierarchyTokenizer.cs | 3 ++-
.../Analysis/Path/PathHierarchyTokenizerFactory.cs | 3 ++-
.../Analysis/Path/ReversePathHierarchyTokenizer.cs | 3 ++-
.../Analysis/Pattern/PatternCaptureGroupFilterFactory.cs | 3 ++-
.../Analysis/Pattern/PatternCaptureGroupTokenFilter.cs | 3 ++-
.../Analysis/Pattern/PatternReplaceCharFilter.cs | 3 ++-
.../Analysis/Pattern/PatternReplaceCharFilterFactory.cs | 3 ++-
.../Analysis/Pattern/PatternReplaceFilter.cs | 3 ++-
.../Analysis/Pattern/PatternReplaceFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizer.cs | 3 ++-
.../Analysis/Pattern/PatternTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/AbstractEncoder.cs | 3 ++-
.../Analysis/Payloads/DelimitedPayloadTokenFilter.cs | 3 ++-
.../Analysis/Payloads/DelimitedPayloadTokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/FloatEncoder.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/IdentityEncoder.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/IntegerEncoder.cs | 3 ++-
.../Analysis/Payloads/NumericPayloadTokenFilter.cs | 3 ++-
.../Analysis/Payloads/NumericPayloadTokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadEncoder.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadHelper.cs | 3 ++-
.../Analysis/Payloads/TokenOffsetPayloadTokenFilter.cs | 3 ++-
.../Analysis/Payloads/TokenOffsetPayloadTokenFilterFactory.cs | 3 ++-
.../Analysis/Payloads/TypeAsPayloadTokenFilter.cs | 3 ++-
.../Analysis/Payloads/TypeAsPayloadTokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilter.cs | 3 ++-
.../Analysis/Position/PositionFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseAnalyzer.cs | 3 ++-
.../Analysis/Pt/PortugueseLightStemFilter.cs | 3 ++-
.../Analysis/Pt/PortugueseLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemmer.cs | 3 ++-
.../Analysis/Pt/PortugueseMinimalStemFilter.cs | 3 ++-
.../Analysis/Pt/PortugueseMinimalStemFilterFactory.cs | 3 ++-
.../Analysis/Pt/PortugueseMinimalStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilter.cs | 3 ++-
.../Analysis/Pt/PortugueseStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemmer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Pt/RSLPStemmerBase.cs | 3 ++-
.../Analysis/Query/QueryAutoStopWordAnalyzer.cs | 3 ++-
.../Analysis/Reverse/ReverseStringFilter.cs | 3 ++-
.../Analysis/Reverse/ReverseStringFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ro/RomanianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizer.cs | 3 ++-
.../Analysis/Ru/RussianLetterTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilter.cs | 3 ++-
.../Analysis/Ru/RussianLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemmer.cs | 3 ++-
.../Analysis/Shingle/ShingleAnalyzerWrapper.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilter.cs | 3 ++-
.../Analysis/Shingle/ShingleFilterFactory.cs | 3 ++-
.../Analysis/Sinks/DateRecognizerSinkFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Sinks/TeeSinkTokenFilter.cs | 3 ++-
.../Analysis/Sinks/TokenRangeSinkFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenTypeSinkFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballFilter.cs | 3 ++-
.../Analysis/Snowball/SnowballPorterFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilter.cs | 3 ++-
.../Analysis/Standard/ClassicFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizer.cs | 3 ++-
.../Analysis/Standard/ClassicTokenizerFactory.cs | 3 ++-
.../Analysis/Standard/ClassicTokenizerImpl.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilter.cs | 3 ++-
.../Analysis/Standard/StandardFilterFactory.cs | 3 ++-
.../Analysis/Standard/StandardTokenizer.cs | 3 ++-
.../Analysis/Standard/StandardTokenizerFactory.cs | 3 ++-
.../Analysis/Standard/StandardTokenizerImpl.cs | 3 ++-
.../Analysis/Standard/StandardTokenizerInterface.cs | 3 ++-
.../Analysis/Standard/Std31/StandardTokenizerImpl31.cs | 5 +++--
.../Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs | 3 ++-
.../Analysis/Standard/Std34/StandardTokenizerImpl34.cs | 5 +++--
.../Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs | 3 ++-
.../Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs | 3 ++-
.../Analysis/Standard/Std40/StandardTokenizerImpl40.cs | 5 +++--
.../Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs | 3 ++-
.../Analysis/Standard/UAX29URLEmailAnalyzer.cs | 3 ++-
.../Analysis/Standard/UAX29URLEmailTokenizer.cs | 3 ++-
.../Analysis/Standard/UAX29URLEmailTokenizerFactory.cs | 3 ++-
.../Analysis/Standard/UAX29URLEmailTokenizerImpl.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilter.cs | 3 ++-
.../Analysis/Sv/SwedishLightStemFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemmer.cs | 3 ++-
.../Analysis/Synonym/FSTSynonymFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilter.cs | 3 ++-
.../Analysis/Synonym/SlowSynonymFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymMap.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Synonym/SolrSynonymParser.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilter.cs | 3 ++-
.../Analysis/Synonym/SynonymFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymMap.cs | 3 ++-
.../Analysis/Synonym/WordnetSynonymParser.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilter.cs | 3 ++-
.../Analysis/Tr/ApostropheFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilter.cs | 3 ++-
.../Analysis/Tr/TurkishLowerCaseFilterFactory.cs | 3 ++-
.../Analysis/Util/AbstractAnalysisFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/AnalysisSPILoader.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/BufferedCharFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayIterator.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayMap.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharArraySet.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharTokenizer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/CharacterUtils.cs | 3 ++-
.../Analysis/Util/ClasspathResourceLoader.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilter.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilterFactory.cs | 3 ++-
.../Analysis/Util/FilesystemResourceLoader.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/FilteringTokenFilter.cs | 3 ++-
.../Analysis/Util/MultiTermAwareComponent.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/OpenStringBuilder.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoader.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoaderAware.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/RollingCharBuffer.cs | 3 ++-
.../Analysis/Util/SegmentingTokenizerBase.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/StemmerUtil.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/StopwordAnalyzerBase.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/TokenFilterFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/TokenizerFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Analysis/Util/WordlistLoader.cs | 3 ++-
.../Analysis/Wikipedia/WikipediaTokenizer.cs | 3 ++-
.../Analysis/Wikipedia/WikipediaTokenizerFactory.cs | 3 ++-
.../Analysis/Wikipedia/WikipediaTokenizerImpl.cs | 5 +++--
.../Collation/CollationAttributeFactory.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Collation/CollationKeyAnalyzer.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilter.cs | 3 ++-
.../Collation/CollationKeyFilterFactory.cs | 3 ++-
.../Collation/TokenAttributes/CollatedTermAttributeImpl.cs | 3 ++-
src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Among.cs | 5 +++--
.../Tartarus/Snowball/Ext/ArmenianStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/BasqueStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/CatalanStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/DanishStemmer.cs | 5 +++--
src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DutchStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/EnglishStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/FinnishStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/FrenchStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/German2Stemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/GermanStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/HungarianStemmer.cs | 5 +++--
src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/IrishStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/ItalianStemmer.cs | 5 +++--
src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/KpStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/LovinsStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/NorwegianStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/PorterStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/PortugueseStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/RomanianStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/RussianStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/SpanishStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/SwedishStemmer.cs | 5 +++--
.../Tartarus/Snowball/Ext/TurkishStemmer.cs | 5 +++--
src/Lucene.Net.Analysis.Common/Tartarus/Snowball/SnowballProgram.cs | 5 +++--
418 files changed, 866 insertions(+), 448 deletions(-)
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicAnalyzer.cs
index c071c67..29dba10 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizer.cs
index fa5bfa1..c1119c8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizerFactory.cs
index cd5c835..be87e37 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicLetterTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilter.cs
index 4305129..c774f52 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Ar
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilterFactory.cs
index ec2f331..f4941de 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizer.cs
index a0656b0..930c67e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicNormalizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Ar
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilter.cs
index 2cb9070..1684f8f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Ar
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilterFactory.cs
index 28013b8..a9efa07 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemmer.cs
index 98edfed..17481ec 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ar/ArabicStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Collections.Generic;
namespace Lucene.Net.Analysis.Ar
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianAnalyzer.cs
index 6ef9387..58541c9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilter.cs
index aaa05e6..4bc2703 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Bg
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilterFactory.cs
index c2bc098..38b6889 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemmer.cs
index 1e53ebd..42048cb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Bg/BulgarianStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Bg
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianAnalyzer.cs
index 743a547..b6048b8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilter.cs
index 7d6ec70..8387e87 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.Br
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilterFactory.cs
index 2306f83..9c41081 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemmer.cs
index 8e34cc1..d74dffd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Br/BrazilianStemmer.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Globalization;
namespace Lucene.Net.Analysis.Br
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ca/CatalanAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ca/CatalanAnalyzer.cs
index 6ba1aa7..92457bf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ca/CatalanAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ca/CatalanAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/BaseCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/BaseCharFilter.cs
index 46fa322..a14563d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/BaseCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/BaseCharFilter.cs
@@ -1,4 +1,5 @@
-using J2N.Numerics;
+// Lucene version compatibility level 4.8.1
+using J2N.Numerics;
using Lucene.Net.Diagnostics;
using Lucene.Net.Support;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilter.cs
index 98f7eb7..e2c3778 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
@@ -32057,4 +32058,4 @@ namespace Lucene.Net.Analysis.CharFilters
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilterFactory.cs
index 74dc924..50238bf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilter.cs
index dec5db1..9f8760f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
using Lucene.Net.Util.Fst;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilterFactory.cs
index 8cec3e4..37e549c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/MappingCharFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/NormalizeCharMap.cs b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/NormalizeCharMap.cs
index e3963d2..7620252 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/NormalizeCharMap.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CharFilter/NormalizeCharMap.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Diagnostics;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
using Lucene.Net.Util.Fst;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKAnalyzer.cs
index 5b23b8c..6af3a54 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilter.cs
index e16022b..58dad0e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilterFactory.cs
index 5938e41..3f06cb4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKBigramFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizer.cs
index 5cf5632..03f68f1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizerFactory.cs
index 2ef8524..fa265fa 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilter.cs
index cf602f6..739c30b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Cjk
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilterFactory.cs
index ce12836..fc31948 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cjk/CJKWidthFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniAnalyzer.cs
index 41701aa..9823080 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilter.cs
index ef95965..189b600 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Ckb
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilterFactory.cs
index 0b86fc4..391b1cc 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizer.cs
index b9b8ef0..331fc49 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniNormalizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Globalization;
namespace Lucene.Net.Analysis.Ckb
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilter.cs
index 9387fcd..19c36f7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Ckb
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilterFactory.cs
index f202647..3284022 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemmer.cs
index 5c768f8..c9c225f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ckb/SoraniStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Ckb
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseAnalyzer.cs
index 69d8a12..6eba362 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseAnalyzer.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.IO;
namespace Lucene.Net.Analysis.Cn
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilter.cs
index d7a7780..36d0a76 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilterFactory.cs
index 17eee9a..a8785ab 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizer.cs
index 5447e0c..b36c104 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.Globalization;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizerFactory.cs
index f2c8f77..4c36fc0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cn/ChineseTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilter.cs
index 941e369..ca7b3b1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilterFactory.cs
index 9720142..560b3a8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilter.cs
index 312aa6f..f311fba 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.CommonGrams
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilterFactory.cs
index 1e067e9..68e3c2b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/CommonGrams/CommonGramsQueryFilterFactory.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+// Lucene version compatibility level 4.8.1
+using System.Collections.Generic;
namespace Lucene.Net.Analysis.CommonGrams
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/CompoundWordTokenFilterBase.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/CompoundWordTokenFilterBase.cs
index bf5ecab..50819c4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/CompoundWordTokenFilterBase.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/CompoundWordTokenFilterBase.cs
@@ -1,4 +1,5 @@
-using J2N.Text;
+// Lucene version compatibility level 4.8.1
+using J2N.Text;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilter.cs
index 0cc0505..37d8f82 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilterFactory.cs
index da1150d..9ce559c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/DictionaryCompoundWordTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/ByteVector.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/ByteVector.cs
index db7dfce..82cbf68 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/ByteVector.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/ByteVector.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using System.Diagnostics.CodeAnalysis;
namespace Lucene.Net.Analysis.Compound.Hyphenation
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/CharVector.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/CharVector.cs
index b3411c2..30c7172 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/CharVector.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/CharVector.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using System;
using System.Diagnostics.CodeAnalysis;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphen.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphen.cs
index 8fc13cf..9cd46c6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphen.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphen.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Text;
namespace Lucene.Net.Analysis.Compound.Hyphenation
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphenation.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphenation.cs
index 2c9f966..f5e4ac8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphenation.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/Hyphenation.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using System.Diagnostics.CodeAnalysis;
namespace Lucene.Net.Analysis.Compound.Hyphenation
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/HyphenationTree.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/HyphenationTree.cs
index f9373a7..e59acb5 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/HyphenationTree.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/HyphenationTree.cs
@@ -1,4 +1,5 @@
-using J2N.Numerics;
+// Lucene version compatibility level 4.8.1
+using J2N.Numerics;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternConsumer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternConsumer.cs
index 1d92db5..98e715b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternConsumer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternConsumer.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+// Lucene version compatibility level 4.8.1
+using System.Collections.Generic;
namespace Lucene.Net.Analysis.Compound.Hyphenation
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternParser.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternParser.cs
index 6e73b19..0ed4a58 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternParser.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/PatternParser.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/TernaryTree.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/TernaryTree.cs
index 1dfeb92..7dd428a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/TernaryTree.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/Hyphenation/TernaryTree.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilter.cs
index e7a7726..daef17a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Compound.Hyphenation;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Compound.Hyphenation;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilterFactory.cs
index 116538a..d8cb93c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Compound/HyphenationCompoundWordTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Compound.Hyphenation;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Compound.Hyphenation;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordAnalyzer.cs
index 7dc0d97..587fde1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordAnalyzer.cs
@@ -1,4 +1,5 @@
-using System.IO;
+// Lucene version compatibility level 4.8.1
+using System.IO;
namespace Lucene.Net.Analysis.Core
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizer.cs
index ce37bd1..896c25c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizerFactory.cs
index 36cc7c8..e32ab5d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/KeywordTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizer.cs
index 29d5c4a..2ce5b6d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizerFactory.cs
index 0f384e1..9f23989 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LetterTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilter.cs
index 5f9ee42..44715be 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilterFactory.cs
index d51add8..7341a36 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizer.cs
index 4ea4db6..cafe7af 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Util;
using System.Globalization;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizerFactory.cs
index 68b83b8..d670c21 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/LowerCaseTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/SimpleAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/SimpleAnalyzer.cs
index 3c0ac9a..f6a46d0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/SimpleAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/SimpleAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System.IO;
namespace Lucene.Net.Analysis.Core
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopAnalyzer.cs
index f06d3f4..94e1752 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilter.cs
index e8ae3b7..ea4da35 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilterFactory.cs
index 51361bc..b348a94 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/StopFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilter.cs
index 0c993ad..3bcdc75 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilterFactory.cs
index 8abe89a..a030030 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/TypeTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using JCG = J2N.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilter.cs
index f598858..c57ac5b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilterFactory.cs
index 78ea8dd..bad5bd0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/UpperCaseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceAnalyzer.cs
index e49fc57..8350bd8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceAnalyzer.cs
@@ -1,4 +1,5 @@
-using System.IO;
+// Lucene version compatibility level 4.8.1
+using System.IO;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizer.cs
index b6bb740..d4a78b6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizerFactory.cs
index 8e0815a..0f17d9b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Core/WhitespaceTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using System.IO;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechAnalyzer.cs
index 15275f7..29307f9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilter.cs
index 58720e4..055c834 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Cz
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilterFactory.cs
index 30cac93..f9f20c6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemmer.cs
index f58dd96..0f1c590 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Cz/CzechStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Cz
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Da/DanishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Da/DanishAnalyzer.cs
index 200d416..4a2f217 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Da/DanishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Da/DanishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanAnalyzer.cs
index af58c58..86a8fa3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilter.cs
index 3fad252..39324e3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.De
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilterFactory.cs
index 1eb6162..c5d8711 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemmer.cs
index ac3ee11..305e079 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanLightStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.De
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.De
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilter.cs
index b26ed3c..084a527 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.De
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilterFactory.cs
index cae7f58..e4b9154 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemmer.cs
index 3affba7..4045c2c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanMinimalStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.De
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.De
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilter.cs
index f3cde95..6235342 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilterFactory.cs
index ae43bde..6e91424 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilter.cs
index b4dd8cd..ad96338 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.De
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilterFactory.cs
index 1be9a0f..7c32d98 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemmer.cs
index 2a2c9b8..d7a842e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/De/GermanStemmer.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Globalization;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekAnalyzer.cs
index 222ed73..2ceab4e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilter.cs
index 40a0d6d..c16a250 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilterFactory.cs
index cfe8612..0d6a313 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekLowerCaseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilter.cs
index ecc4d99..fbc1155 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.El
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilterFactory.cs
index 2c551c7..bec200b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemmer.cs
index e45a672..9724b7f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/El/GreekStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
namespace Lucene.Net.Analysis.El
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishAnalyzer.cs
index 4edc410..c77770d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilter.cs
index c605a7b..40b0067 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.En
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilterFactory.cs
index 00a1bef..9757ca7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemmer.cs
index 5a7a66f..40a9d39 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishMinimalStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.En
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.En
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilter.cs
index 844e52c..e9849b7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using Lucene.Net.Util;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilterFactory.cs
index a9db7c9..8a71227 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/EnglishPossessiveFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData1.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData1.cs
index ee22dc7..2c38fc2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData1.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData1.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData2.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData2.cs
index 98b94cd..5df4284 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData2.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData2.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData3.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData3.cs
index 9a2d0ee..4980fcb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData3.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData3.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData4.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData4.cs
index e6eeee4..4752a68 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData4.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData4.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData5.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData5.cs
index 0c99140..0a09e77 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData5.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData5.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData6.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData6.cs
index 35d7d8c..afb064a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData6.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData6.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData7.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData7.cs
index c3e6740..1c0f004 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData7.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData7.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData8.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData8.cs
index 96317e7..ef49190 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData8.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemData8.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright © 2003,
Center for Intelligent Information Retrieval,
University of Massachusetts, Amherst.
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilter.cs
index 7170273..1c74ed3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System.IO;
namespace Lucene.Net.Analysis.En
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilterFactory.cs
index 1aeba71..47f5ace 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Collections.Generic;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemmer.cs
index 45f4a60..96d92b4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/KStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/KStemmer.cs
@@ -1,4 +1,5 @@
-using J2N.Text;
+// Lucene version compatibility level 4.8.1
+using J2N.Text;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilter.cs
index f85acad..c962bc4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.En
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilterFactory.cs
index a50bc23..b6d0930 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemmer.cs
index 7d81a3c..2d1b511 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/En/PorterStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using Lucene.Net.Util;
using System;
using System.Diagnostics.CodeAnalysis;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishAnalyzer.cs
index e2424f0..b7b51d3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilter.cs
index ce8b528..43e3700 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Es
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilterFactory.cs
index 8f9daa3..1acf13b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemmer.cs
index 64c0310..2dd1903 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Es/SpanishLightStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Es
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Es
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Eu/BasqueAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Eu/BasqueAnalyzer.cs
index fc54824..88fcc3e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Eu/BasqueAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Eu/BasqueAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianAnalyzer.cs
index 30563cd..c225756 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Ar;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Ar;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilter.cs
index acbe743..7e50c61 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilter.cs
@@ -1,4 +1,5 @@
-using System.IO;
+// Lucene version compatibility level 4.8.1
+using System.IO;
namespace Lucene.Net.Analysis.Fa
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilterFactory.cs
index d4d58fb..f57c487 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianCharFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilter.cs
index 3a87977..cb3937f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Fa
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilterFactory.cs
index d427ea5..10a2df1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizer.cs
index 4823af2..1790a67 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fa/PersianNormalizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Fa
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishAnalyzer.cs
index 43a8951..2026df2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilter.cs
index cc2549d..f5924e9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Fi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilterFactory.cs
index 5aa3237..cd2e390 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemmer.cs
index f41a0d8..3ee19c8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fi/FinnishLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Fi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchAnalyzer.cs
index 0f1f46e..b17e898 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilter.cs
index 603cdc7..de1b368 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Fr
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilterFactory.cs
index 512771d..ee75885 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemmer.cs
index e6d8322..099d111 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Fr
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilter.cs
index 977e438..c5e0bc4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Fr
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilterFactory.cs
index 36abdb8..38df7d9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemmer.cs
index a2f6382..3d0755c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchMinimalStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Fr
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Fr
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemFilter.cs
index 03866cb..57c571f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.Fr
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemmer.cs
index 7fcb47b..1dcae79 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Fr/FrenchStemmer.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Globalization;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishAnalyzer.cs
index 810c05a..5b0c617 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilter.cs
index 7299804..5696a52 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using System.Globalization;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilterFactory.cs
index a62eb1f..2c5ca45 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ga/IrishLowerCaseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianAnalyzer.cs
index 5d9a19e..eff4403 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilter.cs
index e57887c..9a60933 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Gl
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilterFactory.cs
index 785c397..77adee8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemmer.cs
index 7631e29..754d8f2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianMinimalStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Pt;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Pt;
namespace Lucene.Net.Analysis.Gl
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilter.cs
index bbefa48..0e546d2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Gl
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilterFactory.cs
index c4057f4..85b60fa 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemmer.cs
index e50e048..a939c23 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Gl/GalicianStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Pt;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Pt;
using Lucene.Net.Diagnostics;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiAnalyzer.cs
index d125ecd..62bc54e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.In;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilter.cs
index d63039a..579abd7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Hi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilterFactory.cs
index 09ddfec..37d3663 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizer.cs
index 5a1a596..0387d83 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiNormalizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Hi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilter.cs
index 3d58140..01db8e3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Hi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilterFactory.cs
index 9da1681..167ea88 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemmer.cs
index b00f82b..01a3dcf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hi/HindiStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Hi
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianAnalyzer.cs
index 8e3bd20..b7f69a9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilter.cs
index 38cf806..44f4763 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Hu
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilterFactory.cs
index 2dceca6..4ce1ccd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemmer.cs
index efee199..ca1e84f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hu/HungarianLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Hu
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Dictionary.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Dictionary.cs
index 6804308..38d19f5 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Dictionary.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Dictionary.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using J2N.Collections.Generic.Extensions;
using J2N.Numerics;
using J2N.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilter.cs
index 0547f0d..d4526d6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilterFactory.cs
index 7d9b4d3..f5c044b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/HunspellStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using J2N.Text;
+// Lucene version compatibility level 4.8.1
+using J2N.Text;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/ISO8859_14Decoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/ISO8859_14Decoder.cs
index 870366b..a406b68 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/ISO8859_14Decoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/ISO8859_14Decoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using System;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Stemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Stemmer.cs
index 6cdd491..ee0cb6b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Stemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hunspell/Stemmer.cs
@@ -1,4 +1,5 @@
-using J2N.Numerics;
+// Lucene version compatibility level 4.8.1
+using J2N.Numerics;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
using Lucene.Net.Store;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Hy/ArmenianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Hy/ArmenianAnalyzer.cs
index c55aa0d..f37d6f3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Hy/ArmenianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Hy/ArmenianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianAnalyzer.cs
index eae7733..e6c8e2c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilter.cs
index c87d191..5a2af93 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Id
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilterFactory.cs
index 16b97f3..db2fc98 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Collections.Generic;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemmer.cs
index 8585868..744f6c1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Id/IndonesianStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Id
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilter.cs
index aaf0050..a3d7c9f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.In
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilterFactory.cs
index e98ac37..8c65146 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizer.cs
index 3aeb5bb..ac897cc 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicNormalizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicTokenizer.cs
index ac817ad..5f4b073 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/In/IndicTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/In/IndicTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianAnalyzer.cs
index 7b1ade2..8a05769 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilter.cs
index ffad3e7..4e1b242 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.It
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilterFactory.cs
index d251dff..906ba32 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemmer.cs
index 33e0c3c..086c53d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/It/ItalianLightStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.It
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.It
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianAnalyzer.cs
index f29ea13..23827a4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilter.cs
index 8d99e6d..a771e51 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Lv
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilterFactory.cs
index 9408efb..497a821 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemmer.cs
index 14eca02..b4df86d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Lv/LatvianStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Lv
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilter.cs
index 70095ee..d572f16 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilterFactory.cs
index 7ae8788..4d78468 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ASCIIFoldingFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilter.cs
index 48228fa..8cf86d8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using System.Globalization;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilterFactory.cs
index 990b4ab..be98da5 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CapitalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilter.cs
index 8f0e73f..3de1095 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilterFactory.cs
index 7246c6c..950f8b9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/CodepointCountFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/EmptyTokenStream.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/EmptyTokenStream.cs
index 53867ed..e627d44 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/EmptyTokenStream.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/EmptyTokenStream.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Miscellaneous
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Miscellaneous
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilter.cs
index 156ae10..ea95b05 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilterFactory.cs
index 8368e60..ce7d116 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/HyphenatedWordsFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilter.cs
index a7972e0..73d766f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilterFactory.cs
index 1145e96..735cfb2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeepWordFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilter.cs
index b5a8117..ccf761b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Miscellaneous
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilterFactory.cs
index f99a1e9..3d9f025 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordMarkerFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilter.cs
index 13aa99b..f027114 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Miscellaneous
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilterFactory.cs
index 6e8a4e1..4abc64a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/KeywordRepeatFilterFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilter.cs
index 32f9fa9..dacc5ea 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilterFactory.cs
index c44abaa..df82678 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LengthFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountAnalyzer.cs
index 51361b2..b937a7f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountAnalyzer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Miscellaneous
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Miscellaneous
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilter.cs
index 5932ce7..573e730 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
namespace Lucene.Net.Analysis.Miscellaneous
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilterFactory.cs
index 8eeb80b..6acd1f9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenCountFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilter.cs
index ce4a160..0f6ade1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilterFactory.cs
index 396add1..48d40f8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/LimitTokenPositionFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/Lucene47WordDelimiterFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/Lucene47WordDelimiterFilter.cs
index 3a62bdc..0511abd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/Lucene47WordDelimiterFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/Lucene47WordDelimiterFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Text;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternAnalyzer.cs
index 12b7166..471e546 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternKeywordMarkerFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternKeywordMarkerFilter.cs
index a9166dd..4d74f90 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternKeywordMarkerFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PatternKeywordMarkerFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System.Text.RegularExpressions;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PerFieldAnalyzerWrapper.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PerFieldAnalyzerWrapper.cs
index c1ccb8d..4ddefa0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PerFieldAnalyzerWrapper.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PerFieldAnalyzerWrapper.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Support;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Support;
using System.Collections.Generic;
using JCG = J2N.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAndSuffixAwareTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAndSuffixAwareTokenFilter.cs
index 65f3808..cc85abe 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAndSuffixAwareTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAndSuffixAwareTokenFilter.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Miscellaneous
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Miscellaneous
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAwareTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAwareTokenFilter.cs
index c56938e..3dd93bb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAwareTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/PrefixAwareTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilter.cs
index d93b7a8..37dc039 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilterFactory.cs
index 46e2a12..7f88599 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/RemoveDuplicatesTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs
index 9f8adbc..e9c34df 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilterFactory.cs
index 2476761..023f6f7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianFoldingFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilter.cs
index 085c355..8383eb4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilterFactory.cs
index 90147a6..9cb9bf0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/ScandinavianNormalizationFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SetKeywordMarkerFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SetKeywordMarkerFilter.cs
index ee13614..b30fa48 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SetKeywordMarkerFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SetKeywordMarkerFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SingleTokenTokenStream.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SingleTokenTokenStream.cs
index 3e384bd..5e6802f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SingleTokenTokenStream.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/SingleTokenTokenStream.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
using System.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilter.cs
index bc81134..d2111b9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using Lucene.Net.Util.Fst;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilterFactory.cs
index b516622..6ce1ae6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/StemmerOverrideFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilter.cs
index c89c8f9..ee0dfdf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilterFactory.cs
index dd57e00..3fa15a4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TrimFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilter.cs
index b618318..dde5a53 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilterFactory.cs
index 42d62e8..cbbef7a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/TruncateTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.Globalization;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilter.cs
index 0a5ced8..def5021 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Support;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilterFactory.cs
index 1588a1e..eb4b691 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterIterator.cs b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterIterator.cs
index be656ee..f6dfbfd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterIterator.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Miscellaneous/WordDelimiterIterator.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using System.Globalization;
namespace Lucene.Net.Analysis.Miscellaneous
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramFilterFactory.cs
index bf991fe..2c301ef 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenFilter.cs
index 13789bf..7ccff41 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizer.cs
index 7ecb1e5..dad44e0 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System.IO;
namespace Lucene.Net.Analysis.NGram
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizerFactory.cs
index c8941c6..d3c3fef 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/EdgeNGramTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43EdgeNGramTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43EdgeNGramTokenizer.cs
index 61b0ada..b1bdacd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43EdgeNGramTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43EdgeNGramTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43NGramTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43NGramTokenizer.cs
index fc91fa1..ae31bd3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43NGramTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/Lucene43NGramTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramFilterFactory.cs
index f4197d5..674c489 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenFilter.cs
index 0c5deef..b1b76cb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Miscellaneous;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizer.cs
index d03c06d..c3f1deb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizerFactory.cs
index 118a909..05bea60 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/NGram/NGramTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchAnalyzer.cs
index 19867e4..ad02830 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemFilter.cs
index 5a7ccca..3b567a7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemmer.cs
index 06ff38b..108858e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Nl/DutchStemmer.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianAnalyzer.cs
index 3cdb3f8..9019734 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilter.cs
index d8fd1b1..8595fc3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.No
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilterFactory.cs
index 0c6782b..3f903d1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemmer.cs
index a57b68a..19fa3c3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
namespace Lucene.Net.Analysis.No
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilter.cs
index 85dcdb5..a85f8eb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.No
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilterFactory.cs
index 2abfce7..47959e7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemmer.cs
index 312c210..40b94fd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/No/NorwegianMinimalStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
namespace Lucene.Net.Analysis.No
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizer.cs
index 8ae3da8..c45cba8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizerFactory.cs
index 6f1301a..e845f89 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Path/PathHierarchyTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Path/ReversePathHierarchyTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Path/ReversePathHierarchyTokenizer.cs
index adf013b..2600949 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Path/ReversePathHierarchyTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Path/ReversePathHierarchyTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupFilterFactory.cs
index 8f16257..d12b682 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Collections.Generic;
using System.Text.RegularExpressions;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupTokenFilter.cs
index 1b6f976..4a08951 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternCaptureGroupTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
using System.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilter.cs
index c2d907b..f415e47 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.CharFilters;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.CharFilters;
using System;
using System.IO;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilterFactory.cs
index e6ada46..cdb38eb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceCharFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System.Collections.Generic;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilter.cs
index aa687b3..5327dbc 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System.Text.RegularExpressions;
namespace Lucene.Net.Analysis.Pattern
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilterFactory.cs
index a6b421f..fc1feb6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternReplaceFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizer.cs
index d20a4ad..1f95a70 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizerFactory.cs
index 63faf0a..ed86a28 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pattern/PatternTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.Collections.Generic;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/AbstractEncoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/AbstractEncoder.cs
index 888366f..8903c5d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/AbstractEncoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/AbstractEncoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Payloads
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilter.cs
index 225c026..1743c2a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Payloads
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilterFactory.cs
index 7d32ad7..2f6458b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/DelimitedPayloadTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/FloatEncoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/FloatEncoder.cs
index 836fe1f..525fc3b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/FloatEncoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/FloatEncoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System.Globalization;
namespace Lucene.Net.Analysis.Payloads
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IdentityEncoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IdentityEncoder.cs
index d05e1a9..a7999bb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IdentityEncoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IdentityEncoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System.Text;
namespace Lucene.Net.Analysis.Payloads
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IntegerEncoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IntegerEncoder.cs
index 526c3ec..3f18cb1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IntegerEncoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/IntegerEncoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Payloads
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilter.cs
index 89833d5..1e0bd3d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilterFactory.cs
index 90f9d60..44c08c1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/NumericPayloadTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadEncoder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadEncoder.cs
index 3f0a8a7..1182558 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadEncoder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadEncoder.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Payloads
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadHelper.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadHelper.cs
index 32c76d4..8dbfb5e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadHelper.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/PayloadHelper.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Payloads
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Payloads
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilter.cs
index f181e1f..c0f8d2b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Payloads
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilterFactory.cs
index 75e5501..83456e3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TokenOffsetPayloadTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilter.cs
index ceb6526..de3eb37 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Payloads
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilterFactory.cs
index 4cdc6dc..e2b2274 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Payloads/TypeAsPayloadTokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilter.cs
index 29a3ef9..e389116 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilter.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Position
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilterFactory.cs
index 8dc83bf..3ecc003 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Position/PositionFilterFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseAnalyzer.cs
index 25491ea..cde1ec8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilter.cs
index 01bcdc9..22fb18b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Pt
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilterFactory.cs
index a838b3d..51dd54b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemmer.cs
index 64b7681..c37e40b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Pt
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilter.cs
index 0a329cc..f3fce75 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Pt
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilterFactory.cs
index 27c41f2..c3976bf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemmer.cs
index 5ebf93d..86b0533 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseMinimalStemmer.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Pt
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Pt
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilter.cs
index b1db952..932f82c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Pt
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilterFactory.cs
index 6079c64..ccf2a75 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemmer.cs
index 0bfee1e..7c240c7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/PortugueseStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Diagnostics;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Diagnostics;
using System.Collections.Generic;
namespace Lucene.Net.Analysis.Pt
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Pt/RSLPStemmerBase.cs b/src/Lucene.Net.Analysis.Common/Analysis/Pt/RSLPStemmerBase.cs
index 108a87a..8d6f5bb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Pt/RSLPStemmerBase.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Pt/RSLPStemmerBase.cs
@@ -1,4 +1,5 @@
-using J2N.Collections.Generic.Extensions;
+// Lucene version compatibility level 4.8.1
+using J2N.Collections.Generic.Extensions;
using J2N.Text;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Query/QueryAutoStopWordAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Query/QueryAutoStopWordAnalyzer.cs
index 3b3ce72..4e7319c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Query/QueryAutoStopWordAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Query/QueryAutoStopWordAnalyzer.cs
@@ -1,4 +1,5 @@
-using J2N.Collections.Generic.Extensions;
+// Lucene version compatibility level 4.8.1
+using J2N.Collections.Generic.Extensions;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Index;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilter.cs
index 4440167..231a34a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilterFactory.cs
index e21da33..335125f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Reverse/ReverseStringFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ro/RomanianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ro/RomanianAnalyzer.cs
index b824fcd..bb4b1b7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ro/RomanianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ro/RomanianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianAnalyzer.cs
index 367f344..836e46b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizer.cs
index d1c654e..026f7e1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizerFactory.cs
index 815c57d..c43237a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLetterTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilter.cs
index 2ee00db..6a14022 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Ru
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilterFactory.cs
index a2a6c7b..943991d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemmer.cs
index 14d188a..4e22e56 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Ru/RussianLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Ru
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleAnalyzerWrapper.cs b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleAnalyzerWrapper.cs
index fdfd1ce..d0f33cf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleAnalyzerWrapper.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleAnalyzerWrapper.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Standard;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Standard;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilter.cs
index 1d29a76..8f1310d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Support;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilterFactory.cs
index 41f4d9b..b5f06eb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Shingle/ShingleFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/DateRecognizerSinkFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/DateRecognizerSinkFilter.cs
index 64febfc..bdc2328 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/DateRecognizerSinkFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/DateRecognizerSinkFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
using System.Globalization;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TeeSinkTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TeeSinkTokenFilter.cs
index f66cd8c..89ad4e6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TeeSinkTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TeeSinkTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenRangeSinkFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenRangeSinkFilter.cs
index 5f7c0fa..a62ebdb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenRangeSinkFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenRangeSinkFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System;
namespace Lucene.Net.Analysis.Sinks
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenTypeSinkFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenTypeSinkFilter.cs
index f473bdc..4347e6f 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenTypeSinkFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sinks/TokenTypeSinkFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballAnalyzer.cs
index 2691339..51b2a46 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.En;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Tr;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballFilter.cs
index 72a1fa5..c27635a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Tartarus.Snowball;
using System;
using System.Reflection;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballPorterFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballPorterFilterFactory.cs
index 3f5d654..e822d70 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballPorterFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Snowball/SnowballPorterFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Miscellaneous;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Tartarus.Snowball;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicAnalyzer.cs
index b99a2f9..e817056 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilter.cs
index 6d629f8..49fa2e1 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Standard
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilterFactory.cs
index fb87766..b42365c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizer.cs
index e3e51a8..2f09695 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
using Reader = System.IO.TextReader;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerFactory.cs
index a7cdb3c..bdc13f5 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using System.IO;
using TokenizerFactory = Lucene.Net.Analysis.Util.TokenizerFactory;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerImpl.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerImpl.cs
index 4457b44..6a2deb9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerImpl.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerImpl.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
/* The following code was generated by JFlex 1.5.1 */
using System;
using System.IO;
@@ -813,4 +814,4 @@ namespace Lucene.Net.Analysis.Standard
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardAnalyzer.cs
index b5b9b9e..a62e3c8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardAnalyzer.cs
@@ -1,4 +1,5 @@
-using System.IO;
+// Lucene version compatibility level 4.8.1
+using System.IO;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilter.cs
index 0c78b06..978d062 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
namespace Lucene.Net.Analysis.Standard
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilterFactory.cs
index 1a7a053..276f43a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizer.cs
index 007aa38..30d6abd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Standard.Std31;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Standard.Std31;
using Lucene.Net.Analysis.Standard.Std34;
using Lucene.Net.Analysis.Standard.Std40;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerFactory.cs
index bd959c5..efdc782 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerImpl.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerImpl.cs
index ea8acb6..af84bec 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerImpl.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerImpl.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
// The following code was generated by JFlex 1.5.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
@@ -1400,4 +1401,4 @@ namespace Lucene.Net.Analysis.Standard
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerInterface.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerInterface.cs
index c750d7a..7b3a817 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerInterface.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerInterface.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System.IO;
namespace Lucene.Net.Analysis.Standard
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/StandardTokenizerImpl31.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/StandardTokenizerImpl31.cs
index 762355f..8e9afc4 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/StandardTokenizerImpl31.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/StandardTokenizerImpl31.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -1095,4 +1096,4 @@ namespace Lucene.Net.Analysis.Standard.Std31
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs
index fa729ee..afded04 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -3656,4 +3657,4 @@ namespace Lucene.Net.Analysis.Standard.Std31
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/StandardTokenizerImpl34.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/StandardTokenizerImpl34.cs
index b00c698..487571e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/StandardTokenizerImpl34.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/StandardTokenizerImpl34.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -1113,4 +1114,4 @@ namespace Lucene.Net.Analysis.Standard.Std34
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs
index aed0257..9ca6376 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -3771,4 +3772,4 @@ namespace Lucene.Net.Analysis.Standard.Std34
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs
index e3acd5c..6a854f6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -4219,4 +4220,4 @@ namespace Lucene.Net.Analysis.Standard.Std36
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/StandardTokenizerImpl40.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/StandardTokenizerImpl40.cs
index 432f8fa..1665c1a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/StandardTokenizerImpl40.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/StandardTokenizerImpl40.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -1232,4 +1233,4 @@ namespace Lucene.Net.Analysis.Standard.Std40
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs
index 19e3346..687dca7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -4437,4 +4438,4 @@ namespace Lucene.Net.Analysis.Standard.Std40
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailAnalyzer.cs
index a42fe82..7fe787d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizer.cs
index 1fe1952..c7b0bde 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Standard.Std31;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Standard.Std31;
using Lucene.Net.Analysis.Standard.Std34;
using Lucene.Net.Analysis.Standard.Std36;
using Lucene.Net.Analysis.Standard.Std40;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerFactory.cs
index 497c731..1647224 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerImpl.cs b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerImpl.cs
index d2565c4..c4ab7b7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerImpl.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerImpl.cs
@@ -1,3 +1,4 @@
+// Lucene version compatibility level 4.8.1
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
@@ -9582,4 +9583,4 @@ namespace Lucene.Net.Analysis.Standard
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishAnalyzer.cs
index 3cc7bdd..ce59fa3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilter.cs
index 97258f5b..ddd745e 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Sv
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilterFactory.cs
index 49c2e0f..86ac0bf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemmer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemmer.cs
index e475d93..28f0d13 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Sv/SwedishLightStemmer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
namespace Lucene.Net.Analysis.Sv
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/FSTSynonymFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/FSTSynonymFilterFactory.cs
index 1b05100..dff8b69 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/FSTSynonymFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/FSTSynonymFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilter.cs
index 9cf83b7..c6610bf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilterFactory.cs
index 4538724..20ba711 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymMap.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymMap.cs
index bd896d3..ed61071 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymMap.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SlowSynonymMap.cs
@@ -1,4 +1,5 @@
-using J2N.Collections.Generic.Extensions;
+// Lucene version compatibility level 4.8.1
+using J2N.Collections.Generic.Extensions;
using Lucene.Net.Analysis.Util;
using Lucene.Net.Support;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SolrSynonymParser.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SolrSynonymParser.cs
index ef998d9..59236dd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SolrSynonymParser.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SolrSynonymParser.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilter.cs
index 50622b7..18ef911 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using J2N.Numerics;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilterFactory.cs
index 3688146..e1fc997 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymMap.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymMap.cs
index 3e21e9d..d79074a 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymMap.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/SynonymMap.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
using Lucene.Net.Store;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/WordnetSynonymParser.cs b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/WordnetSynonymParser.cs
index a83900f..ea02d11 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Synonym/WordnetSynonymParser.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Synonym/WordnetSynonymParser.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiAnalyzer.cs
index b05b8e6..64d5278 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiAnalyzer.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Standard;
using Lucene.Net.Analysis.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizer.cs
index d1f80f1..e3e7323 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizer.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using ICU4N.Text;
using J2N;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizerFactory.cs
index 3eb0e5e..b655274 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiTokenizerFactory.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using Lucene.Net.Analysis.Util;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilter.cs
index 03f5cce..07a0886 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilter.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using ICU4N.Text;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilterFactory.cs
index 8e88f5b..ad43f8c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Th/ThaiWordFilterFactory.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilter.cs
index 41166fd..f5a23c9 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Tr
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilterFactory.cs
index 5ad237e..3ccfc89 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Tr/ApostropheFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishAnalyzer.cs
index ba62c12..de7e061 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishAnalyzer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Core;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Core;
using Lucene.Net.Analysis.Miscellaneous;
using Lucene.Net.Analysis.Snowball;
using Lucene.Net.Analysis.Standard;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilter.cs
index c771754..ab6c64b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilter.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.Globalization;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilterFactory.cs
index 30e9c77..ec97618 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Tr/TurkishLowerCaseFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/AbstractAnalysisFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/AbstractAnalysisFactory.cs
index 1ae793a..8046a81 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/AbstractAnalysisFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/AbstractAnalysisFactory.cs
@@ -1,4 +1,5 @@
-using J2N.Collections.Generic.Extensions;
+// Lucene version compatibility level 4.8.1
+using J2N.Collections.Generic.Extensions;
using Lucene.Net.Analysis.Core;
using Lucene.Net.Support;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/AnalysisSPILoader.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/AnalysisSPILoader.cs
index d363c5c..f109cdd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/AnalysisSPILoader.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/AnalysisSPILoader.cs
@@ -1,4 +1,5 @@
-using J2N.Collections.Generic.Extensions;
+// Lucene version compatibility level 4.8.1
+using J2N.Collections.Generic.Extensions;
using Lucene.Net.Support;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/BufferedCharFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/BufferedCharFilter.cs
index 0071147..bcb394d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/BufferedCharFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/BufferedCharFilter.cs
@@ -1,4 +1,5 @@
-// This class was sourced from the Apache Harmony project's BufferedReader
+// Lucene version compatibility level 4.8.1
+// This class was sourced from the Apache Harmony project's BufferedReader
// https://svn.apache.org/repos/asf/harmony/enhanced/java/trunk/
using Lucene.Net.Analysis.CharFilters;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayIterator.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayIterator.cs
index 7f014cd..5c7fe63 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayIterator.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayIterator.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using ICU4N.Support.Text;
using Lucene.Net.Support;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayMap.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayMap.cs
index 4838472..15cb538 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayMap.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArrayMap.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using J2N.Globalization;
using J2N.Text;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArraySet.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArraySet.cs
index 465b953..bdb8211 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArraySet.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharArraySet.cs
@@ -1,4 +1,5 @@
-using J2N.Globalization;
+// Lucene version compatibility level 4.8.1
+using J2N.Globalization;
using J2N.Text;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharFilterFactory.cs
index 2c14cb6..f0e813d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharFilterFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharTokenizer.cs
index bfb15ba..c1797fa2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharTokenizer.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharacterUtils.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharacterUtils.cs
index 1982064..4e9c2fd 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/CharacterUtils.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/CharacterUtils.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using J2N.Text;
using Lucene.Net.Diagnostics;
using Lucene.Net.Support;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/ClasspathResourceLoader.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/ClasspathResourceLoader.cs
index c479f76..2d8c959 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/ClasspathResourceLoader.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/ClasspathResourceLoader.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using System;
using System.IO;
using System.Reflection;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilter.cs
index 4209310..399a005 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
namespace Lucene.Net.Analysis.Util
{
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilterFactory.cs
index 2f76cad..2dffe6b 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/ElisionFilterFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Fr;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Fr;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/FilesystemResourceLoader.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/FilesystemResourceLoader.cs
index 11acd07..6d8f2c6 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/FilesystemResourceLoader.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/FilesystemResourceLoader.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.IO;
namespace Lucene.Net.Analysis.Util
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/FilteringTokenFilter.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/FilteringTokenFilter.cs
index e7af13a..96b2c8c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/FilteringTokenFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/FilteringTokenFilter.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/MultiTermAwareComponent.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/MultiTermAwareComponent.cs
index 01fb61a..c197a7d 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/MultiTermAwareComponent.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/MultiTermAwareComponent.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Util
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Util
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/OpenStringBuilder.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/OpenStringBuilder.cs
index f2601bc..bf6e506 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/OpenStringBuilder.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/OpenStringBuilder.cs
@@ -1,4 +1,5 @@
-using J2N.Text;
+// Lucene version compatibility level 4.8.1
+using J2N.Text;
using System;
using System.Diagnostics.CodeAnalysis;
using System.Text;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoader.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoader.cs
index a00bd16..b20dc82 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoader.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoader.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.IO;
namespace Lucene.Net.Analysis.Util
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoaderAware.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoaderAware.cs
index 6d8fe1c..d810ddb 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoaderAware.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/ResourceLoaderAware.cs
@@ -1,4 +1,5 @@
-namespace Lucene.Net.Analysis.Util
+// Lucene version compatibility level 4.8.1
+namespace Lucene.Net.Analysis.Util
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/RollingCharBuffer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/RollingCharBuffer.cs
index 103edce..453d4d3 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/RollingCharBuffer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/RollingCharBuffer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Diagnostics;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Diagnostics;
using Lucene.Net.Util;
using System;
using System.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/SegmentingTokenizerBase.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/SegmentingTokenizerBase.cs
index 259365c..d19b8f8 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/SegmentingTokenizerBase.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/SegmentingTokenizerBase.cs
@@ -1,4 +1,5 @@
-#if FEATURE_BREAKITERATOR
+// Lucene version compatibility level 4.8.1
+#if FEATURE_BREAKITERATOR
using ICU4N.Text;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/StemmerUtil.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/StemmerUtil.cs
index a8e5d63..e14c3d2 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/StemmerUtil.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/StemmerUtil.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Diagnostics;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Diagnostics;
using System;
using System.Diagnostics;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/StopwordAnalyzerBase.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/StopwordAnalyzerBase.cs
index 8e0a86c..1e4fcad 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/StopwordAnalyzerBase.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/StopwordAnalyzerBase.cs
@@ -1,4 +1,5 @@
-using J2N;
+// Lucene version compatibility level 4.8.1
+using J2N;
using Lucene.Net.Util;
using System;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenFilterFactory.cs
index be421df..a7e1edf 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenFilterFactory.cs
@@ -1,4 +1,5 @@
-using System;
+// Lucene version compatibility level 4.8.1
+using System;
using System.Collections.Generic;
namespace Lucene.Net.Analysis.Util
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenizerFactory.cs
index 6d7587d..1b2e854 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/TokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Util;
using System;
using System.Collections.Generic;
using System.IO;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Util/WordlistLoader.cs b/src/Lucene.Net.Analysis.Common/Analysis/Util/WordlistLoader.cs
index 27230cd..ee0c46c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Util/WordlistLoader.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Util/WordlistLoader.cs
@@ -1,4 +1,5 @@
-using J2N.Text;
+// Lucene version compatibility level 4.8.1
+using J2N.Text;
using Lucene.Net.Util;
using System;
using System.Collections.Generic;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizer.cs b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizer.cs
index 8adb755..42df03c 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizer.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizer.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Support;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerFactory.cs b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerFactory.cs
index 2e54313..0c214f7 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerFactory.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.Util;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.Util;
using Lucene.Net.Support;
using Lucene.Net.Util;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerImpl.cs b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerImpl.cs
index ac043c6..4506057 100644
--- a/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerImpl.cs
+++ b/src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerImpl.cs
@@ -1,4 +1,5 @@
-using Lucene.Net.Analysis.TokenAttributes;
+// Lucene version compatibility level 4.8.1
+using Lucene.Net.Analysis.TokenAttributes;
using System;
using System.IO;
using System.Text;
@@ -1077,4 +1078,4 @@ namespace Lucene.Net.Analysis.Wikipedia
}
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Collation/CollationAttributeFactory.cs b/src/Lucene.Net.Analysis.Common/Collation/CollationAttributeFactory.cs
index 8e29c90..e6b623a 100644
--- a/src/Lucene.Net.Analysis.Common/Collation/CollationAttributeFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Collation/CollationAttributeFactory.cs
@@ -1,4 +1,5 @@
-#if FEATURE_COLLATION
+// Lucene version compatibility level 4.8.1
+#if FEATURE_COLLATION
using Icu.Collation;
using Lucene.Net.Collation.TokenAttributes;
using Lucene.Net.Util;
diff --git a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyAnalyzer.cs b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyAnalyzer.cs
index 90dc233..d452cf8 100644
--- a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyAnalyzer.cs
+++ b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyAnalyzer.cs
@@ -1,4 +1,5 @@
-#if FEATURE_COLLATION
+// Lucene version compatibility level 4.8.1
+#if FEATURE_COLLATION
using Icu.Collation;
using Lucene.Net.Analysis;
using Lucene.Net.Analysis.Core;
diff --git a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilter.cs b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilter.cs
index d45d7e2..c18c8cd 100644
--- a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilter.cs
+++ b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilter.cs
@@ -1,4 +1,5 @@
-#if FEATURE_COLLATION
+// Lucene version compatibility level 4.8.1
+#if FEATURE_COLLATION
using Icu.Collation;
using Lucene.Net.Analysis;
using Lucene.Net.Analysis.TokenAttributes;
diff --git a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilterFactory.cs b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilterFactory.cs
index 081aaa9..bc9b08c 100644
--- a/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilterFactory.cs
+++ b/src/Lucene.Net.Analysis.Common/Collation/CollationKeyFilterFactory.cs
@@ -1,4 +1,5 @@
-#if FEATURE_COLLATION
+// Lucene version compatibility level 4.8.1
+#if FEATURE_COLLATION
using Icu;
using Icu.Collation;
using Lucene.Net.Analysis;
diff --git a/src/Lucene.Net.Analysis.Common/Collation/TokenAttributes/CollatedTermAttributeImpl.cs b/src/Lucene.Net.Analysis.Common/Collation/TokenAttributes/CollatedTermAttributeImpl.cs
index 63fdacc..78141ec 100644
--- a/src/Lucene.Net.Analysis.Common/Collation/TokenAttributes/CollatedTermAttributeImpl.cs
+++ b/src/Lucene.Net.Analysis.Common/Collation/TokenAttributes/CollatedTermAttributeImpl.cs
@@ -1,4 +1,5 @@
-#if FEATURE_COLLATION
+// Lucene version compatibility level 4.8.1
+#if FEATURE_COLLATION
using Icu.Collation;
using Lucene.Net.Analysis.TokenAttributes;
using System;
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Among.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Among.cs
index 3e2bf8c..ebae4bf 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Among.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Among.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -106,4 +107,4 @@ namespace Lucene.Net.Tartarus.Snowball
private readonly SnowballProgram methodobject;
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ArmenianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ArmenianStemmer.cs
index 36834b6..59758b8 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ArmenianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ArmenianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -586,4 +587,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/BasqueStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/BasqueStemmer.cs
index 7a19872..b6fbd43 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/BasqueStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/BasqueStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1065,4 +1066,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/CatalanStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/CatalanStemmer.cs
index 5da391d..c2a3c13 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/CatalanStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/CatalanStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1161,4 +1162,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DanishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DanishStemmer.cs
index 7425dfa..4070fac 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DanishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DanishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -504,4 +505,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DutchStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DutchStemmer.cs
index 980dd4d..c236ea1 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DutchStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/DutchStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1014,4 +1015,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/EnglishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/EnglishStemmer.cs
index 5920220..9ce74f8 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/EnglishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/EnglishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1552,4 +1553,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FinnishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FinnishStemmer.cs
index 653cb4e..1109211 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FinnishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FinnishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1182,4 +1183,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FrenchStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FrenchStemmer.cs
index f10cfcd..70436c4 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FrenchStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/FrenchStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1772,4 +1773,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/German2Stemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/German2Stemmer.cs
index bd30ae0..a166640 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/German2Stemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/German2Stemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -892,4 +893,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/GermanStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/GermanStemmer.cs
index 499caee..0abf45d 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/GermanStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/GermanStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -847,4 +848,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/HungarianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/HungarianStemmer.cs
index 7b0e40d..ac44c84 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/HungarianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/HungarianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1254,4 +1255,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/IrishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/IrishStemmer.cs
index ddbb8bf..bdbc4a3 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/IrishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/IrishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -650,4 +651,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ItalianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ItalianStemmer.cs
index d492ed4..31f4b1c 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ItalianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/ItalianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1345,4 +1346,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/KpStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/KpStemmer.cs
index e5c7a7a..3325fbb 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/KpStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/KpStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -2455,4 +2456,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/LovinsStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/LovinsStemmer.cs
index 77e3941..6314ee7 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/LovinsStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/LovinsStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -2098,4 +2099,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/NorwegianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/NorwegianStemmer.cs
index 02084df..e3d0459 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/NorwegianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/NorwegianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -423,4 +424,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PorterStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PorterStemmer.cs
index 43dcce1..1205234 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PorterStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PorterStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1051,4 +1052,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PortugueseStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PortugueseStemmer.cs
index c826d41..17a0580 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PortugueseStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/PortugueseStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1268,4 +1269,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RomanianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RomanianStemmer.cs
index 6e97e86..0443cf1 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RomanianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RomanianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1185,4 +1186,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RussianStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RussianStemmer.cs
index 46a0db8..5c52f76 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RussianStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/RussianStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -833,4 +834,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SpanishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SpanishStemmer.cs
index 4317dea..3558056 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SpanishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SpanishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -1319,4 +1320,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SwedishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SwedishStemmer.cs
index e08dbc1..82463f8 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SwedishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/SwedishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -410,4 +411,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/TurkishStemmer.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/TurkishStemmer.cs
index bfa33c5..e7902bc 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/TurkishStemmer.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/Ext/TurkishStemmer.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -3738,4 +3739,4 @@ namespace Lucene.Net.Tartarus.Snowball.Ext
return this.GetType().FullName.GetHashCode();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/SnowballProgram.cs b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/SnowballProgram.cs
index 04a60b2..e0686b9 100644
--- a/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/SnowballProgram.cs
+++ b/src/Lucene.Net.Analysis.Common/Tartarus/Snowball/SnowballProgram.cs
@@ -1,4 +1,5 @@
-/*
+// Lucene version compatibility level 4.8.1
+/*
Copyright (c) 2001, Dr Martin Porter
Copyright (c) 2002, Richard Boulton
@@ -538,4 +539,4 @@ namespace Lucene.Net.Tartarus.Snowball
}
*/
}
-}
+}
\ No newline at end of file