https://bz.apache.org/bugzilla/show_bug.cgi?id=57136
--- Comment #16 from Mark Thomas <ma...@apache.org> ---
Every time I research this bug some more I seem to be changing my position
slightly. I'm currently leaning towards the view that there was a regression in
this fix and that '\$' should have remained an escape for '$" within a JSP
page. Only when processing standalone EL is '\${' an escape for '${'. Note that
this means that within an EL expression in a JSP apge '\$' would be treated as
a literal \$.
A careful reading of the JSP spec makes clear that the JSP spec is responsible
for parsing the outer '${' and '}' of an EL expression within a JSP page and
the EL spec is responsible for parsing what appears between them. (See the
production for ELExpressionBody).
I plan to look at a patch for trunk to address this. Once I have that we'll see
what the dev list thinks of it and back-porting it.
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