[Solr Wiki] Update of "HighlightingParameters" by TomBurtonWest

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The "HighlightingParameters" page has been changed by TomBurtonWest:
http://wiki.apache.org/solr/HighlightingParameters?action=diff&rev1=29&rev2=30

  The default value is "`1`".
  
  == hl.fragsize ==
- The size, in characters, of fragments to consider for highlighting.  "`0`" indicates that the whole field value should be used (no fragmenting). This parameter accepts per-field overrides.
+ The size, in characters, of fragments to consider for highlighting.  "`0`" indicates that the whole field value should be used (no fragmenting). (Highlighter only) This parameter accepts per-field overrides.
  
  The default value is "`100`".
  
@@ -74, +74 @@

  The text which appears before and after a highlighted term when using the `simple` formatter. This parameter accepts per-field overrides.
  
  The default values are "`<em>`" and "`</em>`"
+ This parameter makes sense for Highlighter only. Use hl.tag.pre and hl.tag.post for FastVectorHighlighter (see example under hl.fragmentsBuilder)
  
  == hl.fragmenter ==
  Specify a text snippet generator for highlighted text.  The standard fragmenter is `gap` (which is so called because it creates fixed-sized fragments with gaps for multi-valued fields).  Another option is `regex`, which tries to create fragments that "look like" a certain regular expression.  This parameter accepts per-field overrides.  <!> [[Solr1.3]] This parameter makes sense for Highlighter only.
@@ -118, +119 @@

  Factor by which the regex fragmenter can stray from the ideal fragment size (given by `hl.fragsize`) to accomodate the regular expression.  For instance, a slop of `0.2` with fragsize of `100` should yield fragments between `80` and `120` characters in length.  It is usually good to provide a slightly smaller fragsize when using the `regex` fragmenter.
  
  The default value is "`.6`"
+ This parameter makes sense for Highlighter only.
  
  == hl.regex.pattern ==
  The regular expression for fragmenting.  This could be used to extract sentences (see example `solrconfig.xml`)
+ This parameter makes sense for Highlighter only.
  
  == hl.regex.maxAnalyzedChars ==
  Only analyze this many characters from a field when using the regex fragmenter (after which, the fragmenter produces fixed-sized fragments).  Applying a complicated regex to a huge field is expensive.
  
  The default value is "`10000`".
+ This parameter makes sense for Highlighter only.