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https://issues.apache.org/jira/browse/LUCENE-8286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462361#comment-16462361
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Adrien Grand commented on LUCENE-8286:
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bq. MI has things we don't need – position spans
I don't know the unified highlighter well, but I would expect this information
to be important to score passages? For instance if you run a sloppy phrase
query, matches that have a smaller width should get a higher weight, shouldn't
they?
> UnifiedHighlighter should support the new Weight.matches API for better match
> accuracy
> --------------------------------------------------------------------------------------
>
> Key: LUCENE-8286
> URL: https://issues.apache.org/jira/browse/LUCENE-8286
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/highlighter
> Reporter: David Smiley
> Priority: Major
>
> The new Weight.matches() API should allow the UnifiedHighlighter to more
> accurately highlight some BooleanQuery patterns correctly -- see LUCENE-7903.
> In addition, this API should make the job of highlighting easier, reducing
> the LOC and related complexities, especially the UH's PhraseHelper. Note:
> reducing/removing PhraseHelper is not a near-term goal since Weight.matches
> is experimental and incomplete, and perhaps we'll discover some gaps in
> flexibility/functionality.
> This issue should introduce a new UnifiedHighlighter.HighlightFlag enum
> option for this method of highlighting. Perhaps call it {{WEIGHT_MATCHES}}?
> Longer term it could go away and it'll be implied if you specify enum values
> for PHRASES & MULTI_TERM_QUERY?
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