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https://issues.apache.org/jira/browse/LUCENE-9426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated LUCENE-9426:
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Summary: UnifiedHighlighter ANALYSIS mode does not accurately highlight
SpanNotQuery or MUST_NOT (was: UnifiedHighlighter ANALYSIS mode does not
accurately highlight SpanNotQuery or NOT)
> UnifiedHighlighter ANALYSIS mode does not accurately highlight SpanNotQuery
> or MUST_NOT
> ---------------------------------------------------------------------------------------
>
> Key: LUCENE-9426
> URL: https://issues.apache.org/jira/browse/LUCENE-9426
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Affects Versions: 8.5.1
> Environment: I tested with 8.5.1, but other versions are probably
> also affected.
> Reporter: Christoph Goller
> Priority: Major
> Labels: easyfix
> Attachments: TestUnifiedHighlighter.java
>
>
> If UnifiedHighlighter uses MemoryIndexOffsetStrategy, it does not treat
> SpanNotQuery correctly.
> Since UnifiedHighlighter uses actual search in order to determine which
> locations to highlight, it should be consistent with search and only
> highlight locations in a document that really match the query. However, it
> does not for SpanNotQuery.
> For the query spanNot(spanNear([content:100, content:dollars], 1, true),
> content:thousand, 0, 0)
> it produces
> A <b>100</b> fucking <b>dollars</b> wasn't enough to fix it. ... We need
> <b>100</b> thousand <b>dollars</b> to buy the house
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