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  variables during expression evaluation to avoid a crash. If not return
  an empty string.

PR: 57070


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and Certificate Transparency tools, as well as a few other clarifications.


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(e.g., as of certificate-transparency commit 
3f03188fe89974d45345fddee64a8227bd2ec26a)

The interface to the "ct" tool now requires the log's URL and
public key, resulting in a bit of refactoring in the module.


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      httpd's main process also exits with an error.



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and silently adjust the configured number of processes/threads to
be above the computed number of listener buckets (depending on the
CPU cores).



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Remove empty lines

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Followup to r1629507.


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allocating new worker after ap_queue_info_term(), but not setting the
have_idle_worker variable. PR 56960.

Submitted By: Zin UDA
Committed By: jkaluza


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Fixes bug when workers were not stopped after graceful restart (introduced in
r1605328).


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Follow up to r1629372 and r1629485: ensure compatibily with OpenSSL < 1.0 (sk_OPENSSL_STRING_[num|value|pop] macros).

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hint from 32 bytes to 2048 bytes.


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The status_hook simply calls the status function of
socache, very much like mod_ssl does for the ssl
session cache.


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remove a useless local variable initialization

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(ex_data attached to an X509 *) to a per-server hash which is
allocated from the pconf pool. Fixes PR 54357, PR 56919 and
a leak with the certinfo_free cleanup function (missing
OCSP_CERTID_free).

* modules/ssl/ssl_util_stapling.c: drop certinfo_free, and add
  ssl_stapling_certid_free (used with apr_pool_cleanup_register).
  Switch to a stapling_certinfo hash which is keyed by the SHA-1
  digest of the certificate's DER encoding, rework ssl_stapling_init_cert
  to only store info once per certificate (allocated from the pconf
  to the extent possible) and extend the logging.

* modules/ssl/ssl_private.h: adjust prototype for
  ssl_stapling_init_cert, replace ssl_stapling_ex_init with
  ssl_stapling_certinfo_hash_init

* modules/ssl/ssl_engine_init.c: adjust ssl_stapling_* calls

Based on initial work by Alex Bligh <alex alex.org.uk>


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for korean docs.


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switch form mod_example to mod_example_hooks.


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renamed form mod_example to mod_example_hooks long ago.


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in mod_substitute.


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