Fixes and cleanups for mod_cache;

    * Add r->uri to the debug messages in the quick handler; makes debugging
      easier.
    
    * Always reset headers_in for lookup's, some modules make subrequests
      and then rewrite the url. Having a conditional request at this point
      is not what they expect (nor reasonable for them to handle). 

    * Don't store a per-request config on lookups; for the same reason.

    * Return DECLINED when in lookup mode and ap_meets_conditions() indicated
      we have the content but don't know if it's fresh or not. We have no idea
      whether the backend will have a 404, a 304 or any other kind of a 
      response - so we have to assume we cannot handle the request.

    * remove the unused "url" argument from the cache_create_entity() function

    * Whitespace/comment fixups in mod_cache.h



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  (docs): If the "docs-build" project is available, trigger its build system
   to turn the XML sources into HTML.  Otherwise, display a URL to the
   instructions on how to use the docs build.

* build/rules.mk.in:
  (.PHONEY): docs is a fake target.

Submitted By: Daniel Rall <dlr apache.org>


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really match the 1.3 behaviour: read from the client for up to ~30
seconds in total.  Current behaviour will attempt only 15 read() calls
then give up.

PR: 35292


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* fix some eol-style properties


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for the directory, ignore the inherited override_opts field.

PR: 35330
Submitted by: kabe <kabe sra-tohoku.co.jp>


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Update cast in mod_dbd.c as suggested by jorton.


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but safe fix for the mod_ssl renegotiation-vs-requests-with-bodies
bug:

* modules/ssl/ssl_private.h (ssl_io_buffer_fill): Add prototype.

* modules/ssl/ssl_engine_io.c (ssl_io_buffer_fill,
ssl_io_filter_buffer): New functions.

* modules/ssl/ssl_engine_kernel.c (ssl_hook_Access): If a
renegotiation is needed, and the request has a non-zero
content-length, or a t-e header (and 100-continue was not requested),
call ssl_io_buffer_fill to set aside the request body data if
possible, then proceed with the negotiation.

PR: 12355


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for external PCRE.


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Don't need the second reference to extfiltr.nlm anymore now that there are multiple submakefiles in the filters directory.

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Fix a make problem that occurred due to the removal of the other submakefiles.  Referencing example.nlm twice is just a hack to fix the problem for now.

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  Add compatibility tag, and rebuild all.


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disturbing to the flow of text.  Here I replace it with a dashed-unline.
Also, allow the omission of the ref attribute where the glossary term is
exactly equal to the link contents.


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APACHE_MODULE expansion and remove the commented-out stuff.


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* add markup


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