* support/htcacheclean.c (main): Ensure -p was used before attempting
  to process URL arguments.

Reviewed by: jorton, rpluem, rjung


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* A limit of zero means unlimited for LimitRequestBody.

PR: 54435
Submitted by: Pavel Mateja <pavel netsafe.cz>
Reviewed by: rpluem

Submitted by: rpluem
Reviewed by: rpluem, jim, jorton


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mod_proxy_ajp: Support unknown HTTP methods.
BZ 54416

Forward unknown methods as request attributes
using method id SC_M_JK_STORED=0xFF and
request attribute id SC_A_STORED_METHOD=13.

Code ported from mod_jk (which got it from mod_jk2).

Supported by Tomcat at least since TC 4.1.
Doesn't seem to be supported by Jetty though.

Submitted by: rjung
Reviewed/backported by: jim


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Without the fix output is empty because there's no filetype
without APR_FINFO_TYPE.
The options are new in 2.4.

Backport of r1433001 from trunk.


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