[jira] [Commented] (LUCENE-5770) Upgrade JFlex to 1.6.0

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-5770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052965#comment-14052965 ] 

ASF subversion and git services commented on LUCENE-5770:
---------------------------------------------------------

Commit 1608134 from [~steve_rowe] in branch 'dev/trunk'
[ https://svn.apache.org/r1608134 ]

LUCENE-5770: Upgrade to JFlex 1.6, which has direct support for supplementary code points - as a result, ICU4J is no longer used to generate surrogate pairs to augment JFlex scanner specifications.

> Upgrade JFlex to 1.6.0
> ----------------------
>
>                 Key: LUCENE-5770
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5770
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Steve Rowe
>            Assignee: Steve Rowe
>            Priority: Minor
>             Fix For: 5.0, 4.10
>
>         Attachments: LUCENE-5770.patch, LUCENE-5770.patch
>
>
> JFlex 1.6, to be released shortly, will have direct support for supplementary code points - JFlex 1.5 and earlier only support code points in the BMP.
> We can drop the use of ICU4J to generate surrogate pairs to extend our JFlex scanner specifications to handle supplementary code points.  



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