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truncation and time divisions within the test loop, retain
native time resolution until output, remove unused data,
avoid structure copies, consistently round milliseconds, and
generally avoid losing accuracy of calculation due to type casts.

Incidentally fixes output bug on gnuplot (seconds were being
output as microseconds).  It would make more sense to output
gnuplot stats as microseconds after the start of test, but
this change returns us to consistency with pre-apr versions of ab.

PR: 44878, 44931.


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  to transliterate the ü with ue.


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ap_location_walk(), don't look past the start of an empty string
such as that created by a <Location ""> directive.


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subrequests to support message bodies. Make sure that safety
checks within the core and within the proxy are not triggered
when kept_body is present. This makes it possible to embed
proxied POST requests within mod_include.


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up before reading the login form. Make sure the kept body filter
is correctly inserted to ensure the body can be read a second
time safely should the authn be successful. [Graham Leggett,
Ruediger Pluem]


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hook instead of during fixups. Add a safety check to ensure the
filters cannot be inserted more than once. [Graham Leggett,
Ruediger Pluem]


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   mod_cgid and request processing threads, for OS'es such as HPUX and AIX
   that do not use umask for AF_UNIX socket permissions.
   [Eric Covener, Jeff Trawick]



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It won't get any better without intervention, and it will fork() until some
sort of intervention.


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  allowed.

PR: 44262
Submitted by: Michał Grzędzicki <lazy iq.pl>
Reviewed by: rpluem


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Centralize the error-header collapsing done when sending out cached replies. Mark the change in CHANGES as it may have unforseen fall out and/or may need to be reverted or done more subtle.

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the hop-by-hop rules of rfc 2616 along with the entity response
rules. To make sure that they stay in sync; and to make it easier
to add (http) caching modules - this change moves them all into
one place (cache_util) and exposes a in-bound and out-bound
version to operate on the headers.

In short: we retire ap_cache_cacheable_hdrs_out() which was used
for both in- and out-put headers; and replace it by a single
ap_cache_cacheable_headers() which understands the hop-by-hop
rules. And then wrap this into an in- and out-put specific 
ap_cache_cacheable_headers_in()/out() which we can teach things
about entity responses and so on.. The latter which will also 
merge error and ensure content-type. 

This API change bumps up the minor MM by one.    



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PR: 44799
Submitted by: Christian Wenz <christian wenz.org>
Reviewed by: rpluem



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ap_parse_request_body function out of the http module and into a
new module called mod_request, reducing the size of the core.


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when failing to write to the log file. 

Sometimes users have a hard time believing that their little log
file was really big enough to reach quota/filesystem/other limit
back at the time of the error.



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function, akin to dbd_param_flag().  Only needed when APR_HAS_THREADS.


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both inside and outside the location/directory sections, as suggested
by wrowe.


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in using an HTML form, storing the credentials within mod_session.


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form request with the type of application/x-www-form-urlencoded.


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session information in a SQL database via the dbd interface. Useful
for sites where session privacy is important.


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of encrypting and decrypting sessions wherever they may be stored.
Introduces a level of privacy when sessions are stored on the
browser.


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session information within cookies on the browser. Useful for high
volume sites where server bound sessions are too resource intensive.


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attempts at saving persistent sessions across requests.


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configurations which match those of the initial request.  Revert to
the original behaviour (call access control hooks for internal requests
with URIs different from the initial request) if any access control hooks
or providers are not registered as permitting this optimization.
Introduce wrappers for access control hook and provider registration
which can accept additional mode and flag data.

The configuration walk optimizations were originally proposed a while
ago (see http://marc.info/?l=apache-httpd-dev&m=116536713506234&w=2);
they have been used since then in production systems and appear to be
stable and effective.  They permit certain combinations of modules
and clients to function efficiently, especially when a deeply recursive
series of internal requests, such as those generated by certain WebDAV
requests, are all subject to the identical authentication and authorization
directives.

The major change from the original proposal is a cleaner mechanism for
detecting modules which may expect the old behaviour.  This has been
tested successfully with Subversion's mod_authz_svn, which specifically
requires the old behaviour when performing path-based authorization based
against its own private access control configuration files.


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  not under DAV control. Return 405 (Method not allowed) instead.

PR: 44734


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successful login/logout.  Use redirection URL from first row returned
by DB query, in the same manner as that used by mod_authn_dbd when
querying for a single record.


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PR: 44641
Submitted by: Daniel Lescohier <daniel.lescohier cnet.com>
Reviewed by: rpluem, niq, wrowe, jim


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   error messages.  PR 43210, committed in r639079.


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