Enhanced and cleaned up the URL rewriting engine for 1.3:
First the grouped parts of RewriteRule pattern matches (parenthesis!) can be accessed now via backreferences $1..$9 in RewriteConds test-against strings in addition to RewriteRules subst string. Second the grouped parts of RewriteCond pattern matches (parenthesis!) can be accessed now via backreferences %1..%9 both in following RewriteCond test-against strings and RewriteRules subst string. This provides maximum flexibility through the use of backreferences. Additionally the rewriting engine was cleaned up by putting common code to the new expand_backrefs_inbuffer() function. Submitted by: Ralf S. Engelschall Reviewed by: Dean Gaudet, Ralf S. Engelschall git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@78904 13f79535-47bb-0310-9956-ffa450edef68
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