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Changes with Apache 2.0.34
  *) Ensure that the build/ directory is created when using VPATH.
     [Justin Erenkrantz]

  *) Add some popular types to the mime magic file.  PR 7730.
     [Linus Walleij <triad@df.lth.se>, Justin Erenkrantz]

  *) Remove the single-byte socket reads for CGI headers [Brian Pane]

  *) When a proxied site was being served, Apache was replacing
     the original site Server header with it's own, which is not
     allowed by RFC2616. Fixed. [Graham Leggett]

  *) Fix a mod_cgid problem that left daemon processes stranded
     in some server restart scenarios.  [Jeff Trawick]

  *) Added exp_foo and rel_foo variables to config_vars.mk for
     all Apache and Autoconf path variables (like --sysconfdir,
     --sbindir, etc). exp_foo is the "expanded" version, which means
     that all internal variable references have been interpolated.
     rel_foo is the same as $exp_foo, only relative to $prefix if they
     share a common path.  [Aaron Bannert]

  *) Fix some restart/terminate problems in the worker MPM.  Don't
     drop connections during graceful restart.  [Jeff Trawick]

  *) Change the header merging behaviour in proxy, as some headers
     (like Set-Cookie) cannot be unmerged due to stray commas in
     dates. [Graham Leggett]

  *) Be more vocal about what AcceptMutex values we allow, to make
     us closer to how 1.3 does it. [Jim Jagielski]

  *) Get nph- CGI scripts working again.  PRs 8902, 8907, 9983
     [Jeff Trawick]

  *) Upgraded PCRE library to latest version 3.9 [Brian Pane]

  *) Add accessor function to set r->content_type. From now on,
     ap_rset_content_type() should be used to set r->content_type.
     This change is required to properly implement the 
     AddOutputFilterByType configuration directive.
     [Bill Stoddard, Sander Striker, Ryan Bloom]
  *) Add new M_FOO symbols for the WebDAV/DeltaV methods specified by
     RFC 3253. Improved the method name/number mapping functions.
     [Greg Stein]

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  *) remove sock_enable_linger from connection.c [Ian Holsman]

  *) Fix for virtual host processing where the requested hostname
     has a '.' at the end (PR 9187) [Ryan Cruse <ryan@estara.com>]

  *) mod_dav's APIs for REPORT response handling was changed so that
     providers can generate the content directly into the output filter
     stack, rather than buffering the response into memory. [Greg Stein]

  *) Fix a hang condition with graceful restart and prefork MPM
     in the situation where MaxClients is very high but
     much fewer servers are actually started at the time of the
     restart.  [Jeff Trawick]

  *) Small performance fixes for mod_include [Brian Pane]

  *) Performance improvement for the error logger [Brian Pane]

  *) Change configure so that Solaris 8 and above have 
     SINGLE_LISTEN_UNSERIALIZED_ACCEPT defined by default.
     according to sun people solaris 8+ doesn't have a thundering
     herd problem [Ian Holsman]

  *) Allow URIs specifying CGI scripts to include '/' at the end
     (e.g., /cgi-bin/printenv/) on AIX and Solaris (and other OSs
     which ignore '/' at the end of the names of non-directories).
     PR 10138  [Jeff Trawick]

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  *) implement SSLSessionCache shmht and shmcb based on apr_rmm and
     apr_shm.  [Madhusudan Mathihalli <madhusudan_mathihalli@hp.com>]

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  *) Fix apxs -g handling.  Move config_vars.mk from the top build
     directory to the build directory.  PR 10163  [Jeff Trawick]

  *) Fix some mod_include problems which broke evaluation of some
     expressions.  PR 10108  [Jeff Trawick]

  *) Fix the calculation of request time in mod_status.  [Stas Bekman]

  *) Fix the calculation of thread_num in the worker score structure.
     [Stas Bekman]

  *) Use apr_atomic operations in managing the mod_mem_cache
     cache_objects for SMP scalability. (see USE_ATOMICS
     preprocessor directive in mod_file_cache)
     [Bill Stoddard]

  *) Add filehandle caching to mod_mem_cache. (see CACHE_FD
     preprocessor directive in mod_file_cache)
     [Bill Stoddard]

  *) Implement prototype mod_disk_cache for use with mod_cache.
     [Bill Stoddard]
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  *) Add a missing manualdir entry in the Debian config.layout.
     [Thom May <thom@planetarytramp.net>]

  *) Stop installing libtool for APR and tell APR where it should place
     its copy of libtool (via our installbuildpath layout variable).
     [Justin Erenkrantz]

  *) New directive ProxyIOBufferSize. Sets the size of the buffer used
     when reading from a remote HTTP server in proxy. [Graham Leggett]

  *) Modify receive/send loop in proxy_http and proxy_ftp so that
     should it be necessary, the remote server socket is closed before
     transmitting the last buffer (set by ProxyIOBufferSize) to the
     client. This prevents the backend server from being forced to hang
     around while the last few bytes are transmitted to a slow client.
     Fix the case where no error checking was performed on the final
     brigade in the loop. [Graham Leggett]

  *) Scrap CacheMaxExpireMin and CacheDefaultExpireMin. Change
     CacheMaxExpire and CacheDefaultExpire to use seconds rather than
     hours. [Graham Leggett, Bill Stoddard]

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  *) New Directive SSIUndefinedEcho. to change the '(none)' echoed
     for a undefined variable. [Ian Holsman]

  *) Proxy HTTP and CONNECT: Keep trying other addresses from the DNS
     when we can't get a socket in the specified address family.  We may
     have gotten back an IPv6 address first and yet our system is not
     configured to allow IPv6 sockets.  [Jeff Trawick]

  *) Be more careful about recursively removing CVS directories. Make
     sure that we aren't cd'ing to their home directory first. PR: 9993
     [Aaron Bannert, James LewisMoss <dres@lewismoss.net>]
  *) Add a missing errordir entry in the Debian config.layout. PR: 10067
     [Dirk-Jan Faber <dirk-jan@selwerd.nl>, Aaron Bannert,
      Thom May <thom@planetarytramp.net>]

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  *) Rename the filter ordering priorities.  The recent filtering fixes
     have showcased problems with their usage.  Therefore, we need to
     rename them to increase the clarity.  (CONTENT->RESOURCE,
     HTTP_HEADER->CONTENT_SET/PROTOCOL)  [Justin Erenkrantz]

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Changes with Apache 2.0.33
  *) Fix a problem in the new --enable-layout functionality where
     it wouldn't allow overrides from variables like --prefix,
     --bindir, etc.  [Thom May <thom@planetarytramp.net>]

  *) Fix a bug in the core input filter for AP_MODE_EXHAUSTIVE. It
     no longer hangs around waiting for the socket to close before
     returning exhaustive data.  [Aaron Bannert]

  *) rename apr_exploded_time_t to apr_time_exp_t (as per renames pending)
     [Thom May <thom@planetarytramp.net>]

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  *) Change mod_ssl to always do a full startup/teardown on restarts.
     this allows mod_ssl to be added to a server that is already
     running and makes it possible to add/change certs/keys after the
     server has been started.  [Doug MacEachern]

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  *) Introduce PassPhraseDialog "|/path/to/pipe" mechanism to mod_ssl.
     This pipe must be a bidirectional 'console' style relay, which
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     mod_ssl prints all prompts to the pipe's stdin, and reads the
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     passphrases from the pipe's stdout.  [William Rowe]

  *) Fix bug where --sysconfdir and --localstatedir were being
     ignored.  [Thom May <thom@planetarytramp.net>, Aaron Bannert]
     PR 9888

  *) Fix --enable-layout to work again. Caution: When specifying
     --enable-layout, common arguments like --prefix, --exec-prefix,
     etc. will be ignored and the settings from the layout will be
     used instead.  [Thom May <thom@planetarytramp.net>, Aaron Bannert]
     PR 9124, 9873, 9885

  *) New Directive for mod_proxy: ProxyRemoteMatch. This provides
     regex pattern matching for the determination of which requests
     to use the remote proxy for. [Jim Jagielski]

  *) Fix CustomLog bytes-sent with HTTP 0.9.  [Justin Erenkrantz]

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  *) Prevent Apache from ignoring SIGHUP due to some lingering 1.3
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     cruft in piped logs and rewritemap child processes.
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     [William Rowe]

  *) All instances of apr_lock_t have been removed and converted
     to one of the following new lock APIs: apr_thread_mutex.h,
     apr_proc_mutex.h, or apr_global_mutex.h. No new code should
     use the apr_lock.h API, as the old API will soon be deprecated.
     [Aaron Bannert]

  *) Merged in changes to mod_ssl up through 2.8.7-1.3.23.
     [Ralf S. Engelschall, Cliff Woolley]

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  *) mod-include: make it handle flush'es and fix the 'false-alarm'
     [Justin Erenkrantz, Brian Pane, Ian Holsman]
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