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Changes with Apache 2.0.34-dev
  *) 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.
     [Aaron Bannert]

  *) 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]
  *) ap_get_*_filter_handle() functions to allow 3rd party modules
     to lookup filter handles so they can bypass the filter name
     lookup when adding filters to a request (via ap_add_*_filter_handle())
     [Ryan Morgan <rmorgan@covalent.net>]

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  *) Fix for multiple file buckets on Win32, where the first file
     bucket would cause the immediate closure of the socket on any
     non-keepalive requests.  [Ryan Morgan <rmorgan@covalent.net>]

  *) Correct Win32 failure of mmap of a segment beyond start of the
     file; fixes large SSL and similar transfers.  [William Rowe]
     PR 9898

  *) Implement apr_proc_detach changes and allow -DNO_DETACH in the
     multi-process mode to not "daemonize" while detaching from the
     controlling terminal. This is necessary for Apache to work with
     process-management tools like AIX's "System Resource Controller"
     as well as Dan Bernstein's "daemontools".
     [Jos Backus <josb@cncdsl.com>, Aaron Bannert]

  *) Convert mod_auth_digest to use the new apr_global_mutex_t
     type.  [Aaron Bannert]

  *) fix bug in mod-include where it wouldn't send a unmatched
     part if it was at the end of a bucket [Ian Holsman]

  *) worker MPM: Improve logging of errors with the interface between
     the listener thread and worker threads.  [Jeff Trawick]

  *) Some browsers ignore cookies that have been merged into a
     single Set-Cookie header. Set-Cookie and Set-Cookie2 headers
     are now unmerged in the http proxy before being sent to the
     client. [Graham Leggett]

  *) Fix a problem with proxy where each entry of a duplicated
     header such as Set-Cookie would overwrite and obliterate the
     previous value of the header, resulting in multiple header
     values (like cookies) going missing.
     [Graham Leggett, Joshua Slive]

  *) Add the server-limit and thread-limit values to the scoreboard
     for the sake of third-party applications.
     [Adam Sussman <myddryn@vishnu.vidya.com>]

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  *) Fix segfault when proxy recieves an invalid HTTP response [Ian Holsman]

  *) OS/390: Get make install to properly copy DSO modules.
     [Jeff Trawick]

  *) Win32: Fix bug in mod_status with displaying "Restart Time"
     and "Server uptime".
  *) Fix IPv6 name-based virtual hosts.  [Jeff Trawick]

  *) Introduce AddOutputFilterByType directive.  [Justin Erenkrantz]

  *) Fix DEBUG_CGI support in mod_cgi.  PR 9670, 9671.
     [David MacKenzie <djm@pix.net>]

  *) Fix incorrect check for script_in in mod_cgi.  PR 9669.
     [David MacKenzie <djm@pix.net>]

  *) Fix segfault and display error when SSLMutex file can not be
     created.  [Adam Sussman <myddryn@vishnu.vidya.com>]

  *) Add reference counting to mod_mem_cache cache objects to
     better manage removing objects from the cache.
     [Bill Stoddard]
  *) Change the verbage on the ScoreBoardFile in our default configs.
     Also change the default to be commented out (unspecified) so we
     get anonymous shared memory by default.  [Aaron Bannert]

  *) Implement new ScoreBoardFile directive logic. This affects how
     we create the scoreboard's shared memory segment. If the directive
     is present, a name-based segment is created. If the directive is
     not present, first an anonymous segment is created, and if that
     fails, a name-based segment is created from a file of the name
     DEFAULT_SCOREBOARD. This gives third-party applications the
     ability to access our scoreboard.  [Aaron Bannert]
  *) Allow mod_deflate to work with non-GET requests and properly send
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