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Changes with Apache 2.1.0-dev

  [Remove entries to the current 2.0 section below, when backported]
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  *) This fixes the cache code so that responses can be cached
     if they have an Expires header but no Etag or Last-Modified
     headers. PR 23130.
     [Submitted by: <bjorn@exoweb.net>]
     [Reviewed by: Paul J. Reder]

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  *) Fix a couple of AIX xlc_r compiler issues in the code I just
     committed. [Paul J. Reder]

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  *) Modified the cache code to be header-location agnostic. Also
     fixed a number of other cache code bugs related to PR 15852.
     Includes a patch submitted by Sushma Rai <rsushma@novell.com>.
     This fixes mod_mem_cache but not mod_disk_cache yet so I'm not
     closing the PR since that is what they are using. [Paul J. Reder]

  *) Switch to APR 1.0 API.

  *) Modify ap_get_client_block() to note if it has seen EOS.
     [Justin Erenkrantz]

  *) The bucket brigades subsystem now honors the MaxMemFree setting.
     [Cliff Woolley, Jean-Jacques Clar]

  *) Fix mod_include's expression parser to recognize strings correctly
     even if they start with an escaped token.  [André Malo]

  *) Major overhaul of mod_include's filter parser. The new parser code
     is expected to be more robust and should catch all of the edge cases
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     that were not handled by the previous one. This includes a binary
     incompatible change of mod_include's external API.  [André Malo]
  *) mod_rewrite: Allow forced mimetypes [T=...] to get expanded.
     PR 14223.  [André Malo]

  *) mod_log_config: Fix %b log format to write really "-" when 0 bytes
     were sent (e.g. with 304 or 204 response codes).  [Astrid Keßler]

  *) Fix a bug, where mod_deflate sometimes unconditionally compressed the
     content if the Accept-Encoding header contained only other tokens than
     "gzip" (such as "deflate"). PR 21523.  [Joe Orton, André Malo]

  *) mod_rewrite: Catch an edge case, where strange subsequent RewriteRules
     could lead to a 400 (Bad Request) response.  [André Malo]

  *) mod_rewrite: Fix LA-U and LA-F lookups in directory context. Previously
     the current rewrite state was just used as lookup path, which lead to
     strange and often useless results. Related to PR 8493.  [André Malo]

  *) Change Listen directive to bind to all addresses when a hostname is
     not specified.  [Justin Erenkrantz]

  *) Correct failure with Listen directives on machines with IPv6 enabled.
     [Colm MacCárthaigh <colm@stdlib.net>, Justin Erenkrantz]
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  *) Fix a link failure in mod_ssl when the OpenSSL libraries contain
     the ENGINE functions but the engine header files are missing.
     [Cliff Woolley]

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  *) Fix mod_deflate so that it does not call deflate() without checking
     first whether it has something to deflate. (Currently this causes
     deflate to generate a fatal error according to the zlib spec.)
     PR 22259. [Stas Bekman]
  *) Avoid an infinite recursion, which occured if the name of an included
     config file or directory contained a wildcard character. PR 22194.
     [André Malo]

  *) mod_dav: Use bucket brigades when reading PUT data. This avoids
     problems if the data stream is modified by an input filter. PR 22104.
     [Tim Robbins <tim@robbins.dropbear.id.au>, André Malo]

  *) mod_rewrite: RewriteRules in server context using the force
     type feature [T=...] no longer disable MultiViews.  [André Malo]

  *) mod_rewrite: In external rewrite maps lookup keys containing
     a newline now cause a lookup failure. PR 14453.
     [Cedric Gavage <cedric.gavage@unixtech.be>, André Malo]

  *) mod_rewrite: Allow piped rewrite logs to be relative to ServerRoot.
     [André Malo]

  *) mod_ssl: Fix segfaults after renegotiation failure. PR 21370
     [Hartmut Keil <Hartmut.Keil@adnovum.ch>]

  *) mod_autoindex: If a directory contains a file listed in the
     DirectoryIndex directive, the folder icon is no longer replaced
     by the icon of that file. PR 9587.
     [David Shane Holden <dpejesh@yahoo.com>] 

  *) mod_authz_groupfile: Strip trailing spaces of group names. This
     hopefully saves some hours of searching for typos. PR 12863.
     [André Malo]

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  *) Remove an extra bit of unnecessary code from the recently
     committed fix for PR 13946 (in mod_rewrite). Reported by
     Andre Malo. [Paul J. Reder]

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  *) mod_rewrite: fix a problem in the proxy support of mod_rewrite.
     The broken code was inserting multiple "proxy:" fields in the
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     rewritten URIs. [PR: 13946]
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     [Submitted by:  Eider Oliveira <eider@bol.com.br>]
     [Updated and reviewed by: Paul J. Reder]

  *) mod_actions: Propagate the handler name to the action script via
     the REDIRECT_HANDLER environment variable.  [André Malo]

  *) mod_actions: Introduce the "virtual" modifier to the Action directive,
     which allows the use of handlers for virtual locations. PR 8431.
     [André Malo]

  *) mod_speling: Recognize AcceptPathInfo setting for the particular
     location. Default is to reject path information. PR 21059.
     [André Malo]

  *) mod_ext_filter: Add the ability to filter request bodies.
     [Philipp Reisner <philipp.reisner@linbit.com>]

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  *) Correct the code in ap_check_cache_feshness to check max_age,
     smax_age, and expires correctly. Patch submitted by Thomas
     Castelle [Paul J. Reder]

  *) mod_cgid: Restart the cgid daemon if it crashes.  PR 19849
     [Glenn Nielsen <glenn@apache.org>]

  *) Fix some broken log messages in WinNT MPM.  
     [Juan Rivera <Juan.Rivera@citrix.com>]

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  *) Add support for IMT minor-type wildcards (e.g., text/*) to
     ExpiresByType.  PR#7991  [Ken Coar]

  *) Ensure that ssl-std.conf is generated at configure time, and switch
     to using the expanded config variables to work the same as
     httpd-std.conf PR 19611
     [Thom May]
  *) Fix a problem with namespace mappings being dropped in mod_dav_fs; 
     if any property values were set which defined namespaces these 
     came out mangled in the PROPFIND response.  PR 11637.
     [Amit Athavale <amit_athavale@persistent.co.in>]

  *) prefork MPM: Use the right permissions for the directory created 
     for gprof support.  [Jim Carlson <jcarlson@jnous.com>]

  *) Fix the inability to log errors like exec failure in
     mod_ext_filter/mod_cgi script children.  This was broken after 
     such children stopped inheriting the error log handle.  
     [Jeff Trawick]
  *) Fix a compile failure with recent OpenSSL and picky compilers
     (e.g., OpenSSL 0.9.7a and xlc_r on AIX).  [Jeff Trawick]

  *) OpenSSL headers should be included as "openssl/ssl.h", and not rely on
     the INCLUDE path to be defined properly.
     PR 11310. [Geoff Thrope <geoff@geoffthorpe.net>]

  *) Modify APACHE_CHECK_SSL_TOOLKIT to detect SSL-C. [Madhusudan Mathihalli]
  *) Replace the APACHE_CHECK_SSL_TOOLKIT method with a cleaner one, using
     autoconf tools (AC_CHECK_HEADER, AC_CHECK_LIB etc). 
     [Geoff Thorpe <geoff@geoffthorpe.net>]

  *) change directive name from 'compressionlevel' to 'deflatecompressionlevel'
  *) mod_negotiation: quality values are now parsed independent from
     the current locale. level values are now really parsed as integers.
     PR 17564.  [André Malo]

  *) Added the WindowsSocketsWorkaround directive for Windows NT/2000/XP
     to work around problems with certain VPN and Firewall products that 
     have buggy AcceptEx implementations.
     [Allan Edwards w/ suggestions from Bill Stoddard & Bill Rowe]

  *) Extend mod_negotiation to evaluate the environment variables
     no-gzip and gzip-only-text/html the same way as mod_deflate does.
     [André Malo]

  *) mod_rewrite: Fix some problems reporting errors with mapping
     programs (RewriteMap prg:/something).  [Jeff Trawick]

  *) Return 413 if chunk-ext-header is too long rather than reading from
     the truncated line.  PR 15857.  [Justin Erenkrantz]

  *) Allow restart of httpd to occur even with syntax errors in the config
     file.  PR 16813.  [Justin Erenkrantz]

  *) Use APR_LAYOUT instead of APACHE_LAYOUT in configure.  PR 15679.
     [Justin Erenkrantz]

  *) Remove files on 'make distclean' that should be.  PR 15592.
     [Justin Erenkrantz]

  *) Allow apachectl to perform status with links and elinks as well.
     [Justin Erenkrantz]

  *) Extend the SetEnvIf directive to capture subexpressions of the
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