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Merge r473278 from trunk:

Add alternate is_socket_connected by using APR functions.
Submitted by: mturk
Reviewed by: jim


Merge r535354 from trunk:

Abstract out (kinda) MSG_PEEK. This way when we
actually update APR and apr_socket_recvfrom()
to know about APR_MSG_OOB, APR_MSG_PEEK, etc...
this code won't need to be adjusted. Also,
make nicer for 2.2 backport.


Reviewed by: jim


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* Use the query string stored in r->parsed_uri.query instead of r->args
  as r->args could have been changed (e.g. via mod_rewrite) after the quick
  handler hook. This causes resources to be stored under a key, where they
  cannot be fetched again in the quick handler.

PR: 40805

Submitted by: rpluem
Reviewed by: rpluem, jim, sctemme


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but the MSB_PEEK flag needs to be looked at...


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As discussed on docs@httpd, remove the FAQ and replace it with the contents
of the old support.xml and a pointer to the wiki.

Of possible interest: I've also removed the link to the professional support
database, since it was returning error 500 for some time and nobody
seemed to care.


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Submitted by: Takashi Sato
Reviewed by: Hiroaki Kawai


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HTTP proxy ProxyErrorOverride: Leave 1xx and 3xx responses alone.  Only
processing of error responses (4xx, 5xx) will be altered.

PR: 39245

This is based on a patch submitted by Bart van der Schans <schans hippo.nl>
and tweaked slightly by me based on discussions on dev@ since April 2006.
I think rpleum was the first to mention the 1xx issue.


Submitted by: trawick
Reviewed by: jim


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    * mod_ssl: Move thread locking upcall initialization before
      hardware library initialization, so hardware library can use
      these upcalls when run in a threaded MPM. Fixes PR 20951. 



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Correct behavior of HTTP request headers sent by ab in presence of -H command-
line overrides.  Previously, ab would concatenate a supplied -H User-Agent: 
header to the existing one, and send duplicate headers if either -H Host: or
-H Accept: were specified on the command line. 

Now, the default headers are not sent if they are overridden using the -H 
command-line flag. 

Submitted by:  Arvind Srinivasan arvind.srinivasan  sun.com
Reviewed by: sctemme
PR: 31268, 26554

The apr_port_t type is unsigned, but ab was using a signed format code in
its reports. PR 42070. Submitted by Takashi Sato serai  lans-tv.com, 
reviewed by sctemme.



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* Fix documentation about the data types of attributes in the AJP protocol.

PR: 39658

Submitted by: rpluem


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