Document AllowOverride Nonfatal option

Submitted by: niq
Reviewed/backported by: jim


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* server/core_filters.c (ap_core_input_filter): Only treat EAGAIN as
  success if a non-blocking read was requested; for a blocking read,
  it is an error condition.

Submitted by: jorton
Reviewed/backported by: jim


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This is not yet complete. Building should
still work with Lua 5.1.4, but needs
-DLUA_COMPAT_ALL in CPPFLAGS when compiled
against 5.2.0. Automatically handling
this in configure is still a TODO.

Backport from trunk of the following revisions:

r1221205: Make mod_lua compile with lua 5.2.x.
MOdified patch submitted by NormW (nornw gknw net).

r1239029: luaL_reg was already deprecated in Lua 5.1.4.
It is gone in Lua 5.2.0 and was replaced by luaL_Reg
which already existed in 5.1.4. So use that one.

r1239030: Remove luaL_reg macro definition no longer needed
and simplify lua_load compatibility macro.


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Backport of r1239071 from trunk.


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Backport of r1225223 from trunk.


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Check during configtest that the directories for error logs exist

PR: 29941


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    * server/core_filters.c (send_brigade_nonblocking): Use a non-blocking
      bucket read, allowing any pending data to be flushed before trying a
      (potentially slow) blocking read.

Submitted by: Joe Orton


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Backport of r1213391 from trunk.


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Backport of r1210148 from trunk.


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I haven't backported docs for the cache-invalidate
env var, since although it is present in 2.4.x
the functionality around it was removed for future
definition, so I guess it is not really useful
right now.

Please correct me if tha is wrong and we should
add the cache-invalidate to the 2.4.x docs
like we have right now in trunk.


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iBackport of r1234511 from trunk.


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Backport of r1236701 from trunk.


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Was introduced in r1210120.

Backport of r1238768 from trunk.


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Backport of r1210120 from trunk.


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Backport of r1231518 from trunk.


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Backport of r1203980 from trunk.


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Backport of r1206472 from trunk.


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Backport of r1231508 from trunk.


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Backport of r1203714 from trunk.


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Backport of r1201450 from trunk.


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Submitted by: OKANO Takayoshi <kano@na.rim.or.jp>

Backport of r1210067 from trunk.


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Backport of r1210336 from trunk.


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r1206940: fix typo.  Submitted by: OKANO Takayoshi <kano@na.rim.or.jp>
r1206978: fix typo


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- r1200955: Patch from Luke Meyer, clarifies usage of ProxyPassReverseCookiePath directive. As per bug #51126
- r1200968: A little clarification about variable interpolation, as requested in bug #51125
- r1202453: Fix xml


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Backport of r1212872 from trunk.


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Backport of r1200496 from trunk.


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Partial backport of r1231510 from trunk.


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Backport of r1215514 from trunk.


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* Use apr_is* ctype macro wrappers.

Backport of r1200556 from trunk.


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Core configuration: add AllowOverride option to treat syntax
errors in .htaccess as non-fatal.
PR 52439


Submitted by: niq
Reviewed/backported by: jim


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