[jira] Commented: (VELOCITY-520) "\u0061" causes lexer exception

["Nathan Bubna (JIRA)" <de...@velocity.apache.org>]

    [ https://issues.apache.org/jira/browse/VELOCITY-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12475565 ] 

Nathan Bubna commented on VELOCITY-520:
---------------------------------------

Argh, that's not right.  And since this apparently hasn't been working, it looks like adding unicode is at least backwards compatible.  In that case, i guess i'm fine with this going either way.  Either literally producing "\u0061" or producing "a".  If people want unicode in VTL string definitions, i won't protest.  :)

I'm still opposed to having \n \r \" or other such escaping.  Especially since we can now put line breaks directly in the strings:

#set( $foo = "  this has a line
 break in it" )

And we should hopefully soon be able to do "" or '' escaping for quotes (assuming Geir finds the changes he once made to enable that or else one of us duplicates the effort).

> "\u0061" causes lexer exception
> -------------------------------
>
>                 Key: VELOCITY-520
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-520
>             Project: Velocity
>          Issue Type: Bug
>    Affects Versions: 1.5 beta2
>            Reporter: Stepan Koltsov
>            Priority: Minor
>
> The test:
> ===
>     public void testU() throws Exception {
>         VelocityEngine ve = new VelocityEngine();
>         ve.init();
>         Context context = new VelocityContext();
>         StringWriter writer;
>         writer = new StringWriter();
>         ve.evaluate(context, writer, "test","#set($v = \"\\u0061\")$v");
>         //assertEquals("a", writer.toString());
>     }
> ===
> I think "\u0061" shoud produce "a", see VELOCITY-519. But if not, this should produce string "\u0061", literally, but not exception, as now.

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