Merge r1834318 from trunk:

Re-allow '_' (underscore) in hostnames.

'_' was not permitted in hostnames since 2.4.25's "HTTP Strict"
changes.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834895 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834891 13f79535-47bb-0310-9956-ffa450edef68

Merge r1831868, r1831869, r1831870, r1831871, r1831872, r1831935, r1831938, r1832479 from trunk:

Restore mod_slotmem_shm from 2.4.29.

Will restart from there to really fix PR 62308 (and PR 62044 still).

This effectively reverts:
- r1831394,
- r1830800,
- r1826970,
- r1826845,
- r1823572,
- r1823416,
- r1823415,
- r1823412,
- r1822511,
- r1822509.
(in 2.4.x, this is part of r1824180)

mod_slotmem_shm: use a generation number for SHM filename on all platforms.

Successive generations can't share the same SHMs because restarts may modify
them under the terminating children, while SHMs are not extensible when all
slots are in use.

This effectively restores r1822341 which was reverted by r1822505.

mod_slotmem_shm: follow up to r1831869.

Don't try to attach SHMs on startup, they might be from a previous crash and
prevent the server to start (on failure to reuse it).

On mpm_winnt though, the pre/post_config() phases are re-run in child process,
and the parent process already created the SMs, so they must be attached there.

mod_slotmem_shm: follow up to r1831869 (check persistent files).

Since persistent files are also reused on stop/start, we must ensure that
they match the same descriptor when reused on the next startup, so add it
to integrity metadata.

Also, the descriptor being the first field in the SHM, we don't need to
copy on the stack it in several places, and can handle it as a pointer.

Follow up to r1831869: update CHANGES entry.

mod_slotmem_shm: follow up to r1831869: fix persisted file size's checksum.

mod_proxy_balancer: clear slotmem slots' inuse flags from persisted files.

Otherwise, when BalancerPersist is enabled, we might fail (re)starting with a
saved slotmem if a BalancerMember was renamed (e.g. PR 62308's port change).
This is because the renamed member is considered a new one, while the old name
still reserves a slot, so we end up missing one room. The overall number of
members does not change so the sizes check succeeds thus the persisted slotmem
is not invalidated. Yet the slomem is not really compatible.

By clearing inuse flags, we still allow for slots to be reused if their index
did not change (thanks to ap_proxy_find_balancershm() and slotmem_fgrab() at
the given index), but will also invalidate renamed slots which don't match the
index. We now have the correct behaviour by slot and the server (re)starts in
any case.

mod_slotmem_shm: follow up to r1831869: fix dead else if condition.

Submitted by: jim, ylavic
Reviewed by: ylavic, jim, druggeri

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834887 13f79535-47bb-0310-9956-ffa450edef68

Vote and move to accepted

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834886 13f79535-47bb-0310-9956-ffa450edef68

Propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834880 13f79535-47bb-0310-9956-ffa450edef68

Merge r1795834, r1828912, r1830943, r1830944, r1832991 from trunk:

Remove empty line.

* modules/ssl/ssl_util.c (ssl_util_vhostid): Simplify code,
  no functional change.

Save a few cycles and simlify code.

Use apr_pstrmemdup instead of apr_pstrndup when possible.
Avoid scanning the first 2 bytes when looking for the | delimiter. it is known to be "${".
Avoid comma separated statements, it is not that usual.

Save a few cycles.

Use apr_pstrmemdup instead of apr_pstrndup when possible.

* modules/proxy/mod_proxy_hcheck.c (sctx_t, hc_create_config):
  Remove unused bucket allocator created off pconf.
  Tag the subpool.

Submitted by: jailletc36, jorton, jailletc36, jailletc36, jorton
Reviewed by: jailletc36, covener, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834844 13f79535-47bb-0310-9956-ffa450edef68

Merge r1834209 from trunk:

If several parameters are used in a AuthzProviderAlias directive, if these
parameters are not enclosed in quotation mark, only the first one is handled.
The other ones are silently ignored.

Add a message to warn about such a spurious configuration.
PR 62469

Inspired by: Hank Ibell <hwibell gmail.com>
Submitted by: jailletc36
Reviewed by: jailletc36, covener, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834843 13f79535-47bb-0310-9956-ffa450edef68

Merge r1817175, r1831800 from trunk:

Russian translations of errordocs.
Contributed by Alexander Gaganashvili.

Error page translations submitted for zh-cn and zh-tw, contributed
by CodeingBoy <codeingboy gmail.com>.

Note that zh-tw is not a native translation; each translation aught
be reviewed by a native reader before backporting to 2.4.x branch.

Submitted by: niq, wrowe
Reviewed by: jailletc36, covener, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834840 13f79535-47bb-0310-9956-ffa450edef68

promote 3 backports

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834839 13f79535-47bb-0310-9956-ffa450edef68

votes

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834838 13f79535-47bb-0310-9956-ffa450edef68

Fix mix-up of previous commit (r1834775)
r1828478 was already partially backported.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834777 13f79535-47bb-0310-9956-ffa450edef68

Add some compatibility note + some small syntax highlight sugar.
(1828478 in trunk)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834775 13f79535-47bb-0310-9956-ffa450edef68

documentation rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834771 13f79535-47bb-0310-9956-ffa450edef68

output-filters.xml: backport r1834466

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834770 13f79535-47bb-0310-9956-ffa450edef68

Propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834721 13f79535-47bb-0310-9956-ffa450edef68

documentation rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834682 13f79535-47bb-0310-9956-ffa450edef68

On the 2.4.x branch:

backport of current mod_md version and documentation.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834671 13f79535-47bb-0310-9956-ffa450edef68

Vote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834641 13f79535-47bb-0310-9956-ffa450edef68

propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834544 13f79535-47bb-0310-9956-ffa450edef68

documentation rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834525 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy.xml: add vhost/server contextes for ProxySet

While reading PR 62422 I noticed that ProxySet's available
contextes list only 'directory', that looks odd:

AP_INIT_RAW_ARGS("ProxySet", set_proxy_param, NULL, RSRC_CONF|ACCESS_CONF

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834524 13f79535-47bb-0310-9956-ffa450edef68

Done.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834423 13f79535-47bb-0310-9956-ffa450edef68

Merge r1834012, r1834013 from trunk:

Add default schema ports for websockets

Nore userland/PR change

PR: 62480
Submitted by: Lubos Uhliarik <luhliari redhat.com>
Reviewed by: jim, rpluem, covener

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834422 13f79535-47bb-0310-9956-ffa450edef68

propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834398 13f79535-47bb-0310-9956-ffa450edef68

vote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834330 13f79535-47bb-0310-9956-ffa450edef68

CHANGES for 1834321

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834323 13f79535-47bb-0310-9956-ffa450edef68

backported

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834322 13f79535-47bb-0310-9956-ffa450edef68

Merge r1833827 from trunk:

add server_rec to log.c fatal startup errors

Not strictly necessary for trunk, but in 2.4.x if the main ErrorLog is
using syslog, these messages are lost.  In trunk, the low-level logging
routines reach up and find the syslog provider when no server_rec is provided
but that backport is stalled.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834321 13f79535-47bb-0310-9956-ffa450edef68

propose _ fix

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834320 13f79535-47bb-0310-9956-ffa450edef68

propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834292 13f79535-47bb-0310-9956-ffa450edef68

propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834269 13f79535-47bb-0310-9956-ffa450edef68

xforms

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834266 13f79535-47bb-0310-9956-ffa450edef68

Synch with trunk

(backport r1765974, r1830428, r1830439, r1834258, r1834259, r1834263)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834265 13f79535-47bb-0310-9956-ffa450edef68

Synch (a bit) with trunk

Backport r1643118 + some manual tweaks regarding left-over in previous backports

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834256 13f79535-47bb-0310-9956-ffa450edef68

Propose

I've only google translated some of the proposals, in each language, and they look great.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834255 13f79535-47bb-0310-9956-ffa450edef68

Synch with trunk.

Switch #loadModule of mod_macro and mod_md to keep alphabetical order.
(Win32 specific file, so no need for RTC)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834251 13f79535-47bb-0310-9956-ffa450edef68

documentation rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834245 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy.xml: follow up r1834203

Add more precise info and warn notes about
variable interpolation.

PR: 62477

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834244 13f79535-47bb-0310-9956-ffa450edef68

mod_cache: Handle case of an invalid Expires
header value RFC compliant like the case of an
Expires time in the past: allow to overwrite the
non-caching decision using CacheStoreExpired and
respect Cache-Control "max-age" and "s-maxage".

Backport of r1833876 from trunk.

Submitted by: rjung
Reviewed by: rjung, ylavic, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834241 13f79535-47bb-0310-9956-ffa450edef68

documentation rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834235 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy.xml: clarify the usage of variable interpolation

PR: 62477

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834234 13f79535-47bb-0310-9956-ffa450edef68

Rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834208 13f79535-47bb-0310-9956-ffa450edef68

XML updates.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834207 13f79535-47bb-0310-9956-ffa450edef68

Reorder section to be more logical.
Based on r1553469.

This fixes an example which contains spaces in a LDAP group name (i.e. cn=Temporary Employees,o=Airius)

I've also synch with trunk:
   -  add some " to improve syntax highlight
   - use AuthLDAPUrl in stead of AuthLDAPURL in order to have syntax highlight work

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834205 13f79535-47bb-0310-9956-ffa450edef68

Backported in r1834104.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834105 13f79535-47bb-0310-9956-ffa450edef68

Merge r1829038, r1829039, r1830523 from trunk:

mod_xml2enc: Fix forwarding of error metadata/responses. PR 62180.

All meta buckets are now aggregated (besides FLUSH) and forwarded down
the chain, and the output filter bails out on EOS.

Proposed by: Micha Lenk <micha lenk.info>

mod_xml2enc: follow up to r1829038.

If any, pass pending meta bucket down the chain before leaving.

mod_xml2enc: follow up to r1829038 and r1829039.

Use below pending_data logic for EOS bucket.
This closes #48

Submitted by: ylavic
Reviewed by: ylavic, jim, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834104 13f79535-47bb-0310-9956-ffa450edef68

Backported in r1834093.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834103 13f79535-47bb-0310-9956-ffa450edef68

Merge r1827362, r1828926, r1828927, r1829557, r1829573, r1829645, r1829657 from trunk:

core: ap_getline_core() reads nothing for n == 0.

PR62199: add worker parameter ResponseFieldSize to mod_proxy

Submitted By: Hank Ibell
Committed By: covener

add log id for r1828926

core: Add and handle AP_GETLINE_NOSPC_EOL flag in ap_rgetline_core().

This tells the ap_getline() family of functions to consume the end of line
when the buffer is exhausted.

PR 62198.

mod_proxy_http: make use of AP_GETLINE_NOSPC_EOL in ap_proxygetline().

Fixes response header thrown away after the previous one was considered too
large and truncated.

PR 62196.

core: forward flags to recursive/folding call to ap_rgetline_core().

We still need them when folding, other than AP_GETLINE_FOLD itself of course.

mod_proxy_http: follow up to r1829573: remain EBCDIC friendly.

Keep using ap_rgetline() as before r1829573, since ap_rgetline_core() is
EBCDIC agnostic.

Submitted by: ylavic, covener, covener, ylavic, ylavic, ylavic, ylavic
Reviewed by: ylavic, covener, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834093 13f79535-47bb-0310-9956-ffa450edef68

Backported in r1834089.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834090 13f79535-47bb-0310-9956-ffa450edef68

Merge r1826995, r1827001 from trunk:

Extend SSLOCSPEnable with mode 'leaf' that only checks the leaf of a
certificate chain. PR62112 [Ricardo Martin Camarero <rickyepoderi yahoo.es>]

Fixed OCSPEnable to keep accepting "off", not "none".

Submitted by: icing
Reviewedby: icing, ylavic, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834089 13f79535-47bb-0310-9956-ffa450edef68

* Vote and promote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834086 13f79535-47bb-0310-9956-ffa450edef68

xforms

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Improve syntax highlight and add the default value of ProxyHTMLBufSize in the description of the directive.
(r1834041 in trunk)

Add a missing word to synch with trunk

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834050 13f79535-47bb-0310-9956-ffa450edef68

xforms

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Backport fix proposal for wstunnel

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1834014 13f79535-47bb-0310-9956-ffa450edef68

Vote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1833923 13f79535-47bb-0310-9956-ffa450edef68

Vote and promote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1833878 13f79535-47bb-0310-9956-ffa450edef68

Propose.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1833877 13f79535-47bb-0310-9956-ffa450edef68

Merge r1833014 from trunk:

* modules/http/http_request.c (ap_process_request_after_handler,
  ap_process_request): Cache and retrieve the brigade structure used
  to send EOR and FLUSH between requests in c->pool userdata, to avoid
  allocating a brigade structure per-request out of c->pool.

Submitted by: rpluem, jorton

Submitted by: jorton
Reviewed by: jorton, covener, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1833841 13f79535-47bb-0310-9956-ffa450edef68

Merge r1830746 from trunk:

mod_proxy_html: Fix variable interpolation and memory allocation failure in ProxyHTMLURLMap.

Proposed by: Ewald Dieterich <ewald mailbox.org>
Reviewed by: ylavic

Submitted by: ylavic
Reviewed by: ylavic, jailletc36, jim

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promote

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votes

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leave a note/reminder

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add easy to flub trailing .

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vote/add

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Close to closing out showstopper

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fix a potential NULL dereference spotted by gcc 8.1.0

 *) mod_ssl: fix a potential NULL dereference spotted by gcc 8.1.0
    mod_http2: silence gcc strncpy warnings which break compilation in
               maintainer mode with gcc 8.1.0
    trunk patch: http://svn.apache.org/r1831231
                 http://svn.apache.org/r1831591
                 http://svn.apache.org/r1832934
                 http://svn.apache.org/r1832937
    2.4.x patch: svn merge -c 1831231,1831591,1832934,1832937 ^/httpd/httpd/trunk .
    +1: ylavic, icing, jailletc36 (by inspection)

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Add a missing PR reference

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Vote and promote

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Rebuild.

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XML updates.

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Nominate r1833014.

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Merge r1832580, r1832581 from trunk:

mod_remoteip: Fix RemoteIP{Trusted,Internal}ProxyList loading broken by 2.4.30.

Overwriting server config in pre_config hook breaks EXEC_ON_READ directives,
it's automatically created on purpose anyway.

PR 62220.

Follow up to r1832580: correct CHANGES entry.
Submitted by: ylavic
Reviewed by: ylavic, wrowe, jim

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promote

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vote on showstopper

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Backported to 2.4.x in r1833007.

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Merge r1776458 from trunk:

mod_remoteip: Set useragent port to zero PR59931

When overriding the useragent address from X-Forwarded-For,
zero out what had been initialized as the connection-level port.

Submitted By: Hank Ibell <hwibell gmail.com>
Reviewed by: ylavic, covener, icing

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Backported to 2.4.x in r1833005.

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Merge r1822537, r1830744 from trunk:

mpm_unix(es): cleanup properly on exit in one_process mode.

We can't destroy ap_pglobal in the MPMs because clean_child_exit() runs in
a DSO which would be unloaded under us.

So we defer an ap_terminate() with atexit() in ap_unixd_mpm_set_signals(),
all this is static/builtin code in "os/unix/unixd.c".

Follow up to r1822537: replace static variable with pool userdata.

Also adds a comment and a CHANGES entry.

Submitted by: ylavic
Reviewed by: ylavic, jim, icing

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promote

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vote

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vote

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Agree with Stefan (clearing Christophe's vote).

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removing SSLPolicy backport proposal

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vote

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Use define for serverroot with Windows conf files.

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another followup to r1828485 needs mod_http2.h

cmake:
   add modules/http2 to includes

legacy:
    add mod_http2.h to install now that mod_proxy.h includes it

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followup r1828485
needs mod_http2.h

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Fix typo

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Propose

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Revert objection, the preconfig seems to have been a destructive no-op

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Soft -0, needing to clarify what changed with semantics, and what this breaks.

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Transforms.

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Merged, with compat note added in core.xml.

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Merge r1769718, r1785943, r1786110, r1786119 from trunk:

add an <IfFile> config section like <IfDefine>

It allows a non httpd config file to be used as a marker directly in
httpd.conf without hiding logic in a script in front of apachectl
to do test -f and pass extra -D's.

This is something we've had in IBM's httpd distro for a little bit and
hadn't remembered to share. I've seen some questions/config files come
up in a few places lately that would benefit from this as an option.

Remove duplicate implementations of conditional section function.  No
functional change.

* server/core.c (start_cond_section): Factor out from start_if*.
  Adjust to use apr_strmemdup.
  (test_ifmod_section, test_iffile_section, test_ifdefine_section):
  Move container-specific tests into callbacks from start_if*.
  (core_cmds): Adjust <IfFile, <IfDefine, <IfModule to use
  start_cond_section with callbacks.

Add <IfDirective> and <IfSection>:

* server/core.c
  (test_ifdirective_section, test_ifsection_section): New callbacks.
  (core_cmds): Define new directives.

* include/http_config.h, server/config.c (ap_exists_directive):
  New function.

* include/ap_mmn.h: Bump MMN minor for above.

* docs/manual/mod/core.xml: Add docs.

* server/core.c (start_cond_section): Comment & variable name fixes,
  no functional change.

Submitted by: covener, jorton
Reviewed by: jorton, ylavic, covener

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Add in userland change notice

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xforms

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T&R proposal

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Merge r1828890, r1832500 from trunk:

mod_proxy_balancer: Add hot spare member type and corresponding flag (R). Hot spare members are
used as drop-in replacements for unusable workers in the same load balancer set. This differs
from hot standbys which are only used when all workers in a set are unusable. PR 61140.

mod_proxy_balancer: follow up to r1828890: indentation and 80 col.

Submitted by: jhriggs, ylavic
Reviewed by: jhriggs, jim, ylavic

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promote

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