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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-627) highlighter problems with overlapping tokens
Date Fri, 14 Jul 2006 14:53:14 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-627?page=comments#action_12421128 ] 
            
Yonik Seeley commented on LUCENE-627:
-------------------------------------

Right... I'm not sure the highlighter should be expected to handle all cases, but WordDelimiterFilter
doesn't seem *that* complex or atypical.

"a-b-c" would be indexed as "a","b","c"/"abc"
(c and abc occupy the same token position)

Another thing I ran across is the addition of non-scoring tokens to a TokenGroup... this ends
up highlighting the widest token in the token group, rather than the widest that matched.
 I was able to get around this by checking that score>0 in TokenGroup, but was this indended?


> highlighter problems with overlapping tokens
> --------------------------------------------
>
>                 Key: LUCENE-627
>                 URL: http://issues.apache.org/jira/browse/LUCENE-627
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.0.1
>            Reporter: Yonik Seeley
>
> The lucene highlighter has problems when tokens that overlap are generated.
> For example, if analysis of iPod generates the tokens "i", "pod", "ipod" (with pod and
ipod in the same position),
> then the highlighter will output this as iipod, regardless of if any of those tokens
are highlighted.
> Discovered via http://issues.apache.org/jira/browse/SOLR-24

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