Bug 33407 - \$ is quoted even with el-ignored=true
Summary: \$ is quoted even with el-ignored=true
Alias: None
Product: Tomcat 5
Classification: Unclassified
Component: Jasper (show other bugs)
Version: 5.5.7
Hardware: PC Windows XP
: P2 normal (vote)
Target Milestone: ---
Assignee: Tomcat Developers Mailing List
Depends on:
Blocks: 40797
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Reported: 2005-02-05 01:39 UTC by John Donald
Modified: 2006-09-10 18:26 UTC (History)
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Description John Donald 2005-02-05 01:39:08 UTC
The spec mentions that \$ is only enabled when EL is enabled.

JSP.1.6 Quoting and Escape Conventions
Quoting in Template Text
Only when the EL is enabled for a page (see Section JSP.3.3.2, “Deactivating
EL Evaluation”), a literal $ can be quoted by \$. This is not required but is
useful for quoting EL expressions.

This is currently not the case, as i can see a TODO in the src code.

// TODO: only recognize \$ if isELIgnored is false, but since
// it can be set in a page directive, it cannot be determined
// here.  Argh!

Nevertheless it's a bug i have run into, because my jsps contain many regular 
expressions for javascript where the $ has to be escaped \$, so it's not 
interpreted as end of line in the regex.

Comment 1 Yoav Shapira 2005-07-23 00:18:59 UTC
Do you have a suggestion as to how to implement this, given the 2nd part of the
TODO comment in the code?
Comment 2 Mark Thomas 2006-09-11 01:26:23 UTC
This has been fixed in svn and will be included in 5.5.20 onwards.