https://bz.apache.org/bugzilla/show_bug.cgi?id=59299
Eric Covener <covener@gmail.com> changed:
What |Removed |Added
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--- Comment #1 from Eric Covener <covener@gmail.com> ---
Does the % syntax actually clash in any meaningful way?
AIUI the only reason $ clashes is because the core of the server looks to
expand $ variables from the native environment / mod_define before directives
even get to process the arguments.
But the % usage in a macro is expanded before mod_rewrite ever takes a look at
the variables.
(99% of directives are like RewriteCond/RewriteRule. 1% are of a special type
called "EXEC_ON_READ" which basically means some evaluation is done immediately
-- those are the problematic ones because they run earlier then everything
else).
For example this works:
<Macro rewriteme %rule %subst %condvar %condval>
RewriteEngine ON
RewriteCond %{%condvar} %condval
RewriteRule %rule %subst
</Macro>
<virtualhost *:80>
Use rewriteme .* /XXX HTTP_HOST .*
</virtualhost>
Should we just prefer % and then @ if you don't like looking at %{%... in
expressions/mod_Rewrite and relegate to $ as a last resort?
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