Porpose.  [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876875 13f79535-47bb-0310-9956-ffa450edef68

r1876870 isn't under CTR.
So undo for now.
Will add to STATUS.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876874 13f79535-47bb-0310-9956-ffa450edef68

systemd dependencies are only needed by mod_systemd.
They should currently not be needed by httpd directly
or any other binary. So no need to add them to
HTTPD_LIBS.

Should be CTR (build system).

Backport of r1876869 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876870 13f79535-47bb-0310-9956-ffa450edef68

Put post-release security entries underneath
2.4.43 instead of 2.4.44.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876764 13f79535-47bb-0310-9956-ffa450edef68

vote and propose [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876668 13f79535-47bb-0310-9956-ffa450edef68

* Vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876660 13f79535-47bb-0310-9956-ffa450edef68

vote mod_http2 PR64330

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876654 13f79535-47bb-0310-9956-ffa450edef68

Merge r1876623 from trunk:

Allow failures for the gcc9 build since the repo seems to have broken deps.

[under CTR for Travis stuff]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876627 13f79535-47bb-0310-9956-ffa450edef68

backport proposal for PR64330

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876617 13f79535-47bb-0310-9956-ffa450edef68

Add 2 proposals.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876592 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875923, r1876479 from trunk:

For future debugging ease, output the Travis tag & branch.

Don't fail the Travis build for ppc64le jobs, which are also unreliable.

e.g. https://travis-ci.org/github/apache/httpd/jobs/670727360

[under CTR for Travis-specific changes]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876481 13f79535-47bb-0310-9956-ffa450edef68

vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876376 13f79535-47bb-0310-9956-ffa450edef68

easy proposals [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876144 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876121 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876120 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874723 from trunk:

* Use a loop instead of recursion to iterate over pool siblings

Submitted by: rpluem
Reviewed by: rpluem (Backports of .gdbinit changes are CTR)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876102 13f79535-47bb-0310-9956-ffa450edef68

Updates for announcement of 2.4.43

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1876001 13f79535-47bb-0310-9956-ffa450edef68

rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875944 13f79535-47bb-0310-9956-ffa450edef68

Apply fix for bz64167 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875942 13f79535-47bb-0310-9956-ffa450edef68

Backport 3 small issues on mod_md.xml fixed on trunk

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875858 13f79535-47bb-0310-9956-ffa450edef68

xforms w/ manual tweak.

java6, add CRLF for doctype

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875855 13f79535-47bb-0310-9956-ffa450edef68

Add some compatibility notes for new directives in 2.4.42.
Add some missing <module> and <directive> to improve navigation and style.
Fix the format of some <default>

Add some placeholders for the MDCertificateCheck and MDActivationDelay directives. (new in 2.4.42)

(r1875818 in trunk)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875819 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875810 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875809 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875785 from trunk:

add userdir same-origin warnings to mod_userdir

Submitted By: Hanno Böck <hanno hboeck.de>

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875786 13f79535-47bb-0310-9956-ffa450edef68

Post 2.4.43 tag updates

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875715 13f79535-47bb-0310-9956-ffa450edef68

Get ready to tag httpd 2.4.43

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875713 13f79535-47bb-0310-9956-ffa450edef68

  *) mod_proxy_hcheck: Use is_ssl for wss and https.
     trunk patch: http://svn.apache.org/r1875579
     2.4.x patch: svn merge -c 1875579 ^/httpd/httpd/trunk .
     +1: jfclere, gbechis, druggeri

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875712 13f79535-47bb-0310-9956-ffa450edef68

Vote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875711 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875648 from trunk:

Drop -v from arm64 test runs and add to allowed failures, it is still
not as reliable as x86 builds.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875649 13f79535-47bb-0310-9956-ffa450edef68

Trivial change to trigger Travis build.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875646 13f79535-47bb-0310-9956-ffa450edef68

Vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875582 13f79535-47bb-0310-9956-ffa450edef68

Add a backport proposal.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875580 13f79535-47bb-0310-9956-ffa450edef68

2.4.42 was DOA

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875576 13f79535-47bb-0310-9956-ffa450edef68

Backported. [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875554 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875544 from trunk:

Fix compilation breakage with OpenSSL 1.1.0 up to 1.1.0f.
SSL_CTX_get_min_proto_version() and
SSL_CTX_get_max_proto_version() were only introduced in
1.1.0g.

Submitted by: rjung
Reviewedby: rjung, rpluem, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875553 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874577 from trunk:

mod_ssl: Fix memory leak of OCSP stapling response.

The OCSP_RESPONSE is either ignored or serialized (i2d_OCSP_RESPONSE) in the
TLS response/handshake extension, so it must be freed.

Submitted by: ylavic
Reviewed by: gbechis, rpluem, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875552 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote. [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875551 13f79535-47bb-0310-9956-ffa450edef68

* Vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875547 13f79535-47bb-0310-9956-ffa450edef68

Propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875545 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875540 from trunk:

Better define conditions for skipping tests on 2.4.x or non-2.4.x.
Use YAML anchors and references to avoid copy&pasting, hopefully
the syntax remains reasonably readable.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875543 13f79535-47bb-0310-9956-ffa450edef68

propose mod_ssl fix [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875516 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875497 13f79535-47bb-0310-9956-ffa450edef68

fr doc xml file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875496 13f79535-47bb-0310-9956-ffa450edef68

committed

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875476 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875429 from trunk:

fix apxs for non-destdir builds

subtr(...,0, -1) chops off a character and leaves relative path.

(you will need to re-run configure)

Reviewed By: +1: covener, gbechis, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875475 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875471, r1875472 from trunk:

Fix Travis trunk/master confusion, and make the i386 build
trunk-only, it has not been adjusted to find PCRE "v1" i386 packages.

Fix the travis syntax (should have done it in a PR...).

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875474 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875469 from trunk:

Test exclsion doesn't work since "tag !~" matches when tag is undefined.
Exclude tests from 2.4.x by explicitly matching against master.  Will
have to revisit this for 2.5.x.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875470 13f79535-47bb-0310-9956-ffa450edef68

Merge r1875467 from trunk:

Match Travis jobs for 2.4.x by tag as well as branch.
Ignore failures for s390x which is flaky in apt-get again.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875468 13f79535-47bb-0310-9956-ffa450edef68

Merge r1872732, r1872777, r1874128, r1874190, r1874256, r1874542, r1874716, r1874720, r1874775, r1875465 from trunk:

Non-x86 testing seems reasonably reliable; note some known failures
currently.

Add Travis job with --enable-mods-static=reallyall.

Back off a little when svn export is timing out.

Add Travis job which runs under UBSan ("Undefined Behaviour Sanitizer").
mod_http2 disabled for now until https://github.com/icing/mod_h2/pull/194
is merged.

Add gcc 9 job, enable enhanced malloc debugging for pool-debug job.

Add an i386 build using a multilib packages and "gcc -m32".
(All other Travis builds are 64-bit arches currently)

Switch to using httpd-tests git repo.

Fix travis config validation warnings.

Update docs. The expr_string.t failure has not been seen since
the workaround was added AFAICT.  The async filter bug
is still breaking the tests regularly. [skip ci].

Add simple test for apxs to catch regression in r1872042.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875466 13f79535-47bb-0310-9956-ffa450edef68

* Vote and promote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875454 13f79535-47bb-0310-9956-ffa450edef68

vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875453 13f79535-47bb-0310-9956-ffa450edef68

propose apxs fix

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875430 13f79535-47bb-0310-9956-ffa450edef68

Post 2.4.42 tag updates

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875427 13f79535-47bb-0310-9956-ffa450edef68

Get ready to tag httpd 2.4.42

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875425 13f79535-47bb-0310-9956-ffa450edef68

remove backported [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875114 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874323 from trunk:

mod_ssl: follow up to r1861950: allow for OPENSSL_init_ssl() without autoconf.

For systems with no autoconf (eg. Windows), still check for and use
OPENSSL_init_ssl() based on OpenSSL version >= 1.1.0.

Usual LibreSSL gotcha, exclude LIBRESSL_VERSION_NUMBER from this new heuristic
since autoconf is likely available in this case.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875113 13f79535-47bb-0310-9956-ffa450edef68

remove [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875112 13f79535-47bb-0310-9956-ffa450edef68

Merge r1869216, r1869224 from trunk:

mod_proxy_http: fix load-balancer fallback for requests with a body.

Since r1656259 (or r1656259 in 2.4.41) and the move of prefetch before connect,
the balancer fallback case where proxy_http_handler() is re-entered with the
next balancer member broke.

We need to save the body (partially) prefetched the first time and reuse it on
successive calls, otherwise we might forward partial or empty body.

mod_proxy_http: follow up to r1869216.

Let's call stream_reqbody() for all rb_methods, no RB_SPOOL_CL special case.

This both simplifies code and allows to keep EOS into the input_brigade until
it's sent, and thus detect whether we already fetched the whole body if/when
proxy_http_handler() re-enters for different balancer members.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875111 13f79535-47bb-0310-9956-ffa450edef68

passes new test

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875110 13f79535-47bb-0310-9956-ffa450edef68

typo

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875063 13f79535-47bb-0310-9956-ffa450edef68

spotted by freenode user a-ja

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1875060 13f79535-47bb-0310-9956-ffa450edef68

Merge r1872394 from trunk

   * In winnt_accept() (server/mpm/winnt/child.c), there's a call to PostQueuedCompletionStatus() with a buffer (BytesRead) for the number of bytes read.

When compiling the code with Visual Studio 2019 (v 16.3.10), we get a warning than BytesRead is not initialized. When using /RTCu (run-time checks for uninitialzed variables), the program crashes on this line with an exception.

If we initialize the variable to 0, the problem is solved.

PR: 63965
Submitted by: gbechis
Reviewed by: gbechis,jailletc36 (+ CTR rule for non-Unix, single-platform code)
Backported by: jailletc36

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874971 13f79535-47bb-0310-9956-ffa450edef68

fr dic rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874948 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874947 13f79535-47bb-0310-9956-ffa450edef68

misplaced <compatibility> tag.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874946 13f79535-47bb-0310-9956-ffa450edef68

typo [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874932 13f79535-47bb-0310-9956-ffa450edef68

Add compatibility notes and fix some small style issues.

A link with a RFC would be welcomed, but apparenly this is only a draft (See [1])
r1874927 in trunk

 [skip ci]

[1]: https://tools.ietf.org/id/draft-ietf-httpbis-rfc6265bis-03.html

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874928 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874689 from trunk:

  *) mod_http2: Fixes issue where mod_unique_id would generate non-unique request
     identifier under load, see <https://github.com/icing/mod_h2/issues/195>.
     [Michael Kaufmann, Stefan Eissing]

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

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874909 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874616 from trunk:

PR64140: Allow %{Content-Type} in health check expressions

Submitted By: Renier Velazco <renier.velazco upr.edu>
Commited By: covener

Github: closes #97

Submitted by: covener
Reviewed by: covener, ylavic, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874908 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874424 from trunk:

PR64172: drop severity of AH01666

Submitted by: covener
Reviewed by: covener, ylavic, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874907 13f79535-47bb-0310-9956-ffa450edef68

promote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874906 13f79535-47bb-0310-9956-ffa450edef68

provide votes

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874905 13f79535-47bb-0310-9956-ffa450edef68

done [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874867 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874346, r1874545, r1874558 from trunk:

Avoid printing NULL strings in logs

Avoid printing NULL strings in logs

"?:" is a GNU extension, use standard syntax
spotted by Christophe Jaillet

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done [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874865 13f79535-47bb-0310-9956-ffa450edef68

restore CHANGES entry [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874864 13f79535-47bb-0310-9956-ffa450edef68

Merge r1874389, r1874480, r1874601 from trunk:

PR64077: samesite/httponly/secure flags for usertrack

Submitted By: Prashant Keshvani <prashant2400 gmail.com>, Eric Covener
Committed By: covener

* Whitespace fix

Remove duplicated "CookieTracking" directive in 'command_rec'.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874863 13f79535-47bb-0310-9956-ffa450edef68

promote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874862 13f79535-47bb-0310-9956-ffa450edef68

* Vote and promote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874774 13f79535-47bb-0310-9956-ffa450edef68

* As this is a regression it looks like ablocker to me [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874773 13f79535-47bb-0310-9956-ffa450edef68

tabs [skip ci].

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874766 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874765 13f79535-47bb-0310-9956-ffa450edef68

Propose.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874759 13f79535-47bb-0310-9956-ffa450edef68

backport porposal

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874690 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874648 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874647 13f79535-47bb-0310-9956-ffa450edef68

Fix a commit number in a backport proposal  [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874641 13f79535-47bb-0310-9956-ffa450edef68

propose healthcheck fix [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874617 13f79535-47bb-0310-9956-ffa450edef68

Add a note [skip ci]

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vote

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Propose fix for compilation failure on Windows after r1874281. [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874569 13f79535-47bb-0310-9956-ffa450edef68

Backported.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874565 13f79535-47bb-0310-9956-ffa450edef68

Doc for secret in AJP.

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update patch info and vote

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Propose r1874346,1874545 for back port.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874547 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874519 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML files updates.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874518 13f79535-47bb-0310-9956-ffa450edef68

* Fix typo and adjust formating

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1874483 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy_ajp: Add "secret" parameter to proxy workers
to implement legacy AJP13 authentication.  PR 53098.
The attribute is now suggested/required by tomcat.

Backport of r1738878 from trunk.

Backported by: covener
Reviewed by: covener, jorton, rjung

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