Missing from Solr 4.3 CHANGES.txt: new "pattern" feature for KeywordMarkerFilterFactory

[Jack Krupansky <ja...@basetechnology.com>]

Solr has a nice new feature for the KeywordMarkerFilterFactory in field 
types in schema.xml – the ability to specify tokens to mark (e.g., to 
suppress stemming) using a regular expression pattern specified in the new 
“pattern” attribute. But, you wouldn’t know it from reading the Solr 
CHANGES.txt.

The issue here is that this was a Lucene change that bubbles up through 
Solr. But how many Solr users are going to read the Lucene CHANGES.txt 
closely enough to realize that UCENE-4822 ("Add PatternKeywordTokenFilter to 
marks keywords based on regular expressions") affects the "Solr" 
KeywordMarkerFilterFactory  (which is technically in "Lucene")?

It seems to me that changes to Lucene that have a Solr schema impact should 
be noted in the Solr CHANGES.txt, although, admittedly it is a gray area. 
Still, there should be a way for Solr users to find out about new features 
they can use without diving deep into Lucene.

-- Jack Krupansky 


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