Fix segfault in logging if r->useragent_addr or c->client_addr is unset.

Reviewed by: sf, jorton, trawick


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Backporting syntax highlighting for remaining pages to 2.4 as well as some updates for mod_version.xml

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static scope for rewritemap_mutex_type.

Submitted by: nd
Reviewed by: sf, jorton, trawick


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Renamed wrong and misleading var names in makefiles.
No functional change.


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separate docs. The "other" file has dwindled over the years, and having
"other" just list two things seems a little silly. Also, update
log_server_status doc to reflect current reality.


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add CHANGES entry:

 log_server_status: Bring Perl style forward to the present, use
 standard modules, update for new format of server-status output.

Submitted by: rbowen, Dave Brondsema, igalic, humbedooh
Reviewed by: rbowen, jim, sf


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mod_sed, mod_log_debug: Symbol namespace cleanups.

Submitted by: jorton
Reviewed by: jorton , jim, sf


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* server/main.c (main): Bail out *before* signalling the server
  if the config is bad. (as per the claim in the docs!)

Submitted by: jorton
Reviewed by: jorton, jim, sf


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    fix some comments

(no code change)


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