[jboss-jira] [JBoss JIRA] (JBRULES-3723) 'IDEOGRAPHIC SPACE' (U+3000) in DSL fails

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771301#comment-12771301 ] 

RH Bugzilla Integration commented on JBRULES-3723:
--------------------------------------------------

Toshiya Kobayashi <tkobayas at redhat.com> made a comment on [bug 958385|https://bugzilla.redhat.com/show_bug.cgi?id=958385]

+++ This bug was initially created as a clone of Bug #904038 +++

Description of problem:

Platform BZ for https://issues.jboss.org/browse/JBRULES-3723

Steps to Reproduce:
1. include '　' (='IDEOGRAPHIC SPACE' (U+3000)) in DSL.

See the following pull request for test case.
https://github.com/droolsjbpm/drools/pull/173
  
Actual results:

kbuilder.add() fails with "DSL lexer error"

Expected results:

Being able to use '　' as usual unicode characters
                
> 'IDEOGRAPHIC SPACE' (U+3000) in DSL fails
> -----------------------------------------
>
>                 Key: JBRULES-3723
>                 URL: https://issues.jboss.org/browse/JBRULES-3723
>             Project: JBRULES
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler-DSL
>    Affects Versions: 5.5.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Mark Proctor
>
> When DSL contains '　' (='IDEOGRAPHIC SPACE' (U+3000)), DSLMapLexer fails with "DSL lexer error" (Internally, it's a NoViableAltException). IDEOGRAPHIC SPACE is commonly used in Japan so please allow it to use. It doesn't mean that I want to use IDEOGRAPHIC SPACE as an alternative to ASCII whitespace. Just to use it as same as usual unicode characters.

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