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https://issues.apache.org/jira/browse/LUCENE-8527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732330#comment-16732330
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Steve Rowe commented on LUCENE-8527:
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bq. \[W\]ith the default skeleton, JFlex 1.7.0 generates scanners that
misbehaves when given a spoon-feeding reader (i.e. a reader that returns at
least one char but fewer than the requested number of chars) \[....\] I'll make
a JFlex issue for this bug.
I created an issue: https://github.com/jflex-de/jflex/issues/538
bq. \[I\]nvocations of JFlex's Ant target inherit options used by previous
invocations in the same Ant session. I'll make a JFlex issue for this bug.
There has been an ongoing effort to fix this, see:
https://github.com/jflex-de/jflex/pull/258 , likely will be included in next
JFlex release.
> Upgrade JFlex to 1.7.0
> ----------------------
>
> Key: LUCENE-8527
> URL: https://issues.apache.org/jira/browse/LUCENE-8527
> Project: Lucene - Core
> Issue Type: Improvement
> Components: general/build, modules/analysis
> Reporter: Steve Rowe
> Assignee: Steve Rowe
> Priority: Minor
> Attachments: LUCENE-8527.patch, LUCENE-8527.patch
>
>
> JFlex 1.7.0, supporting Unicode 9.0, was released recently:
> [http://jflex.de/changelog.html#jflex-1.7.0]. We should upgrade.
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