Return a little bit more error information when, say a disk is full or something gets write protected. Note that in some cases mod_cache.c will_also_ log a 'cache: store_headers failed' subsequently.

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simply to 'see' what a request would do; as to fill out an SSI,
validate access or similar - and is then discarded. And sometimes
as the precursor to becoming the actual request; e.g. when mod_dir
checks if an /index.html can be served for a '/'.

In the latter case it is important to preserve the output filters
'for real'; whereas in the first case they have to be reset to
purely the minimal proto filters (if at all). This patch instates
the output filters in 3 cases where sub-requests are/may in fact
be used as the real request later on.

This is a relatively risky change (which should not be back-ported 
without further discussion) and may break caches in combination 
with internal redirects/vary/negotiation in subtle ways.

See the thread starting at [1] and in particular the general 
concerns of rpluem at [2] with respect to sub requests 
and (fast_)internal redirects possibly needing a more 
thorough overhaul.

1: http://mail-archives.apache.org/mod_mbox/httpd-dev/200802.mbox/ajax/%3c335D1A4B-25E2-4FF1-8CDF-5010A7FBD293@webweaving.org%3e
2: http://mail-archives.apache.org/mod_mbox/httpd-dev/200802.mbox/%3c47ACE1D4.4060702@apache.org%3e



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Feeling brave mucking with the rewrite docs =) 

setenvif -> added link to rewrite.html#rewritecond
rewrite -> added a see also so the rewrite flags stood out a little more.  



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PR: 44360
Submitted by: Rainer Jung <rainer.jung kippdata.de>
Reviewed by: rpluem


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  transferred to avoid integer overflows.

PR: 44346


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  request body or if the request is not idempotent.

PR: 44334


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a process actually terminated on a signal. Update status
only on a valid wait response.


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  set in the response of the proxied system.

PR: 44311


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   ProxyPassReverse /foo balancer://bar

work "as expected" :) :)



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PR: 40183
Submitted by: rpluem, Takashi Sato <serai lans-tv.com>
Reviewed by: rpluem


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(per Ruediger's suggestions). Still looking at the dir merge.



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for ldap rebind callback while chasing referrals. This allows direct
searches on LDAP servers (in particular MS Active Directory 2003+)
using referrals without the use of the global catalog.
This addresses PRs 26538, 40268, and 42557



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carries the correct license.


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  apr_proc_wait(); call ap_process_child_status() for children which
  terminate, to ensure that abnormal exits (e.g. SIGSEGV) are logged.

PR: 42757


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  fails with EINTR and die_now has been set (indicating a graceful
  stop/restart), terminate the child quickly rather than re-entering
  poll().


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  terminating in the multi-listener poll error path.


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PR: 34275
Submitted by: Takashi Sato <serai lans-tv.com>
Reviewed by: rpluem


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http://mail-archives.apache.org/mod_mbox/httpd-docs/200801.mbox/raw/%3c478A1806.1090307@lorraine.iufm.fr%3e



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PR 43596 (Dimitar Pashev)


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PR 11035


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PR 27834


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  breaks and print x.


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     values for errors encountered while forwarding the request body
     PR 44165 [Eric Covener]

See also PR 31759 / r448711



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