With a bit of macro magic, this is to avoid more code duplication when adding
new stages (next commit will add TLS/handshake timeouts handling in addition to
existing header and body ones).

No functional change here.


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Below some threshold, the previous code tried free (sub-)pooled memory ASAP by
moving small buffers (< capacity / 2) to a heap bucket. But this is not really
an optimization because first it requires at some point to allocate more than
the configured capacity, and second since this happens during response handling
the pool is about to be destroyed soon anymay.

This commit simply keeps the data in the subpool and uses a pool bucket for the
output brigade to take care of the lifetime until it's consumed (or not).


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- Be consistent with the case used for AuthLDAPURL. Use uppercase URL, as in the code in order to fix syntax highlight issues.
- Fix the case of AuthLDAPSubGroupAttribute in <default>, so that quickreference.xsl works as expected

Fix some other small layout issues.

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+ remove a trailing space to synch with 2.4.x

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Always align on the left code in <highlight> block in order to be consistent and fix a layout issue.

Add some links between directives.

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  default base_dir.


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Add some links.

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Comment-out these tests because of the noise it generates, but leave it there, if useful for s.o.

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Handle "proxy-sendextracrlf" within the loop too.

Btw, this extra CRLF heresy should go (at least in trunk)


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It's better/simpler to handle the final 0-size chunk within the loop (on EOS).


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PR 60757



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Don't send two final 0-size chunks when the last read brigade is a single EOS.


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Since the forwarding of 100-continue (end to end) in r1836588, we depended on
reading all of the requested HUGE_STRING_LEN bytes to avoid the flushes, but
this is a bit fragile.

This commit introduces the new stream_reqbody_read() function which will try a
nonblocking read first and, if it fails with EAGAIN, will flush on the backend
side before blocking for the next client side read.

We can then use it in stream_reqbody_{chunked,cl}() to flush client forwarded
data only when necessary. This both allows "optimal" flushing and simplifies
code (note that spool_reqbody_cl() also makes use of the new function but not
its nonblocking/flush functionality, thus only for consistency with the two
others, simplification and common error handling).

Also, since proxy_http_req_t::flushall/subprocess_env::proxy-flushall are now
meaningless (and unused) on the backend side, they are renamed respectively to
prefetch_nonblocking/proxy-prefetch-nonblocking, and solely determine whether
to prefetch in nonblocking mode or not. These flags were trunk only and may
not be really useful if we decided to prefetch in nonblocking mode in any case,
but for 2.4.x the opt-in looks wise.


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- These flags are not for apr_dir_ function. Clarify comment.
- Initialize 'depth', especially when AP_DIR_FLAG_RECURSIVE is explicitelly required.
- Avoid an harmless over-allocation .

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A user in PR 63051 was confused about the default behavior
of mod_rewrite (override) when merging two sections in the
directory context at the same nesting level. I was confused
as well, but after a quick look at the code I figured out that
RewriteOptions Inherit seems to solve the issue (naming is,
in this case, a bit counter intuitive). I hope that I added
a good clarification in the code, if not please amend it as
you think it's best!


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Authentication with valid credentials could be refused in case of concurrent accesses from different users.

PR 63124 [Simon Kappel <simon.kappel axis.com>]

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If FIPS mode is set by default per openssl lib/module, we should not
unset it on restart or it might never be set again.

PR 63136


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Bug issue https://bz.apache.org/bugzilla/show_bug.cgi?id=63122

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 * further disentangle streama and request memory pools



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     Location/Directory, e.g. disabling PUSH for a specific set of resources. [Stefan Eissing]

  *) mod_http2: HEAD requests to some module such as mod_cgid caused the stream to
     terminate improperly and cause a HTTP/2 PROTOCOL_ERROR. 
     Fixes <https://github.com/icing/mod_h2/issues/167>. [Michael Kaufmann]



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