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https://issues.apache.org/jira/browse/LUCENE-1824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Vigdor updated LUCENE-1824:
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Attachment: LUCENE-1824.patch
LUCENE-1824-test.patch
> FastVectorHighlighter truncates words at beginning and end of fragments
> -----------------------------------------------------------------------
>
> Key: LUCENE-1824
> URL: https://issues.apache.org/jira/browse/LUCENE-1824
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/*
> Environment: any
> Reporter: Alex Vigdor
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1824-test.patch, LUCENE-1824.patch
>
>
> FastVectorHighlighter does not take word boundaries into consideration when
> building fragments, so that in most cases the first and last word of a
> fragment are truncated. This makes the highlights less legible than they
> should be. I will attach a patch to BaseFragmentBuilder that resolves this
> by expanding the start and end boundaries of the fragment to the first
> whitespace character on either side of the fragment, or the beginning or end
> of the source text, whichever comes first. This significantly improves
> legibility, at the cost of returning a slightly larger number of characters
> than specified for the fragment size.
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