Merge of r1605328,r1629576,r1643279,r1703241,r1802535,r1819847,r1819848,r1819852,r1819853,r1819855,r1821562,r1821558,r1821561,r1821595 from trunk

  *) event: staging changes (incremental patches) to sync 2.4.x with trunk.



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* modules/ssl/ssl_engine_config.c (ssl_cmd_SSLCompression): Fail if
  enabled *and* if OpenSSL does not make any compression methods
  available.  Tweak wording for failure without SSL_OP_NO_COMPRESSION.

Submitted by: jorton
Reviewed by: jorton, jim, ylavic


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* support/Makefile.in, acinclude.m4: Add OpenSSL libraries at the end of the
  ab link line, not the start.

[too boring for CHANGES]

Submitted by: jorton
Reviewed by: jorton, jim, ylavic


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* modules/lua/config.m4: Link mod_lua against -lcrypt if available,
  since mk_password_hash() can use crypt().

[too boring for CHANGES]

Submitted by: jorton
Reviewed by: jorton, jim, ylavic


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* mod_log_debug docs: Fix the IS_SUBREQ example

Submitted by: jkaluza
Reviewed by: jorton


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mod_md: merged copyright de-advertisements.
 


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mpm_{event,worker}: Mask signals for threads created by modules in child init.

PR 62009, so that they don't receive (implicitely) the ones meant for the MPM.

Inspired by: Armin Abfalterer <a.abfalterer gmail.com>


Follow up to r1821504: same comment in event than in worker.


Proposed by: ylavic
Reviewed by: ylavic, icing, covener


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr> 


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http://mail-archives.apache.org/mod_mbox/httpd-dev/201801.mbox/%3C4C412873-869D-4A0C-89E6-397706EFA1F7@apachelounge.com%3E



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Procedure that I've used:

1) Copy https://httpd.apache.org/docs/2.4/mod/directives.html
   to a text file.
2) Generate a csv with something like 
   cat /tmp/trunk_directives | sort | tr "\n" ","
3) Replace the content of CONFIG_KEYWORDS in prettify.js
   with the list generated in 2)
4) Run the command the MINIFY command to generate prettify.min.js

This change should bring out highlight up to speed with the
recent docs (like mod_md's).



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Merge of r1821095 from trunk.



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 Merged /httpd/httpd/branches/2.4.x-mod_md:r1816423-1821089
   Merged /httpd/httpd/trunk:r1804530-1804531,1804542,1804545,1804671,1804759,1804787,1804975,1805180,1805192,1805194,1805256,1805294,1805373,1806939,1807228,1807347,1807577,1807593,1807774,1807777,1808005,1808092,1808100,1808241-1808243,1808249,1808444,1809719,1809888,1810723,1811082,1811812,1812193,1812517-1812518,1812999,1813642,1814720,1814939,1815005,1815078,1815264,1815370,1815483,1816055,1816154,1816156,1816552,1816558,1816970,1817023,1817777,1817785,1818120,1818122,1818308,1818725,1818792,1818849

Merged mod_md from trunk via 2.4.x-mod_md branch.



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