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Pass ap_errorlog_info to error_log hook


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mod_ratelimit has an output filter, not a handler.  Also took a quick
pass through the other text.



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The expression parser is not only a developer change.
Mention reduced memory usage.


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Make it more explicit that mod_lua may change in 2.4.x

And another blocker is gone.


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specify limited context list for ModemStandard


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Use ap_pass_brigade_fchk()
Reviewed/backported by: jim


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Add ap_pass_brigade_fchk() which does a Filter CHecK on the
brigade pass.
Reviewed/backported by: jim


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mod_session: document overrides.


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mod_negotiation: don't return non-AP_FILTER_ERROR filter return values 
to ap_run_handler() when sending a body directly from a type-map.



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backport r1203708 from trunk.


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Hello. Let's compile again.
Reviewed/backported by: jim


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generic comments mostly taken over from 2.2.x.


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Remove MPM-private stuff from conn_state_t.

This should make it easier to improve the event MPM in 2.4 without breaking
the API.



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Limit recursion in ap_expr evaluation to avoid unbounded stack usage
* evaluate chains of ||, &&, and string concatenation non-recursively
* limit other types of recursion to 20 levels
* avoid some string copies if concatenating more than 2 strings


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Downgrade some more error messages about broken client behavior to level
info.


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mod_cache_disk: Make sure we check return codes on all writes and attempts
to close, and clean up after ourselves in these cases. PR43589.


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Fix logic when to call error_log hook


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value never used: dead assignment
Reviewed/backported by: jim


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check return status
Reviewed/backported by: jim


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Never used.
Reviewed/backported by: jim


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PR51471: IndexIgnore doesn't work in DirectoryMatch.




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upgrading/compat notes on some unexpected AddDescription behavior


also: mention in CHANGES



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PR39923: Allow AddDescription to work with absolute filesystem paths,
by not adding "*/" to their prefix (intended for relative paths)




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mod_include: The SSIAccessEnable directive existed to ensure the addition
of the "-A" syntax would not break existing configurations in v2.2. Remove
the directive for v2.4, defaulting the behaviour to enabled.


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mod_cache_disk: Remove the unnecessary intermediate brigade while
writing to disk. Fixes a problem where mod_disk_cache was leaving 
buckets in the intermediate brigade and not passing them to out on 
exit.


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More ap_log_rerror() usage and axe some more AJP: prefixes


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Log fatal errors at level CRIT, not at some random level from DEBUG to EMERG


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