Proposed by: Bernard Spil <brnrd freebsd.org>
Reviewed by: ylavic


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  - dump_all_pools: Dump the whole pool hierarchy starting from apr_global_pool.
                    Requires an arbitrary pool as starting parameter.
  - dump_pool_and_childs: Dump the whole pool hierarchy starting from
                          the given pool.

  dump_pool_and_childs is written in Python using the GDB Python API
  as doing recursive stuff in standard GDB macros is very difficult.


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Update docs' BNF, provide a short description of the new %{::} syntax and
a few examples. To be continued..



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Generated parser files.


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The "split" and "join" operators are now a prefix, ala perl.
Add the "sub" operator for string substitutions, prefix still.



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mod_md: v0.9.9, fix for applying challenge type based on available ports. 



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Better token/type descriptors for better parsing error messages.



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Silence "-Wunknown-pragmas" on GCC...


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Not necessarily ASCII here..



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Introduces the syntax "%{:<word>:}", borrowed from the <var>'s one which is
"%{<var_name>[:<var_function_args>]}" and already allowed in string expressions
and which likewise can be embedded anywhere in a string expression (the same
reserved character ':' gets reused in an unambiguous manner).

This allows the two types of expressions (boolean and string) to now share
fully the same language set, namely: strings, lists, vars, regexes, backrefs,
functions with multiple or complex arguments, and especially combinations
thereof.

Most of them were reserved to boolean expressions only, while complex string
constructions can also benefit to, well, strings. The <word> construct allows
that (say the syntax "%{:<word>:}" looks like a temporary variable constructed
in a string).

Since string expressions may now have to deal with lists (arrays), they also
need a way to produce/extract strings from list and vice versa. This can be
done with the new "join" and "split" ...

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https://github.com/unbit/uwsgi/issues/1636



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Fix for PR 61540.


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Drops expat LICENSE since this is no longer bundled by apr-util
which is no longer bundled by httpd.

Note text was stale.




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mod_http2: v0.10.12, removed optimization for mutex handling in bucket beams that could lead to assertion failure in edge cases.


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unset_signals() is called when ap_pglobal is destroyed too.



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Deregister all hooks first (in pre_cleanup), by doing it last we could still
have had them run when DSOs were unloaded.

Likewise, avoid double faults when handling fatal signals by restoring the
default handler before pconf is cleared (we can't ap_log_error there).

Finally, we need to ignore sig_term/restart (do nothing) when the main
process is exiting (i.e. ap_pglobal is destroyed), since retained_data are
freed.

Aimed to fix all faults in PR 61558.



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or function call (e.g. ap_log) may use one while DSOs are unloaded.

See PR 61558 (double/second fault).



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