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add new ldap features, make ap_expr entry more verbose


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followups on PR52175



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PR52175: RewriteBase is what applies to relative substitutions, not
the stripping of the per-directory prefix.


Reviewed by: covener


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clarify looping issue for PR52171.

-This line, and those below, will be ignored--

M    rewrite/tech.html.en
M    rewrite/tech.xml

Reviewed by: covener


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add per-dir config merging to mod_lua so LuaHook* in multiple per-dir sections
behaves as expected instead of discarding previous sections.


Reviewed by: covener


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Server directive display (-L): Include directives of DSOs.


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mod_cache: Make sure we merge headers correctly when we handle a
non cacheable conditional response. PR52120.


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maintainer mode unless disabled explicitely.

Backport of r1201306 from trunk.


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Removing a query would be a major MMN change.


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Part 3: Remote MPM simple.


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Part 2: Remove the conditional mod_serf integration
from the event mpm.


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Part 2: Remove mod_serf.


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to be 2048, not 4096.

Backport of r1201202 from trunk.


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examples. Correct some basic errors in the file.

No functional change.

Backport of r1201198 from trunk.


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Choose consistent comments and remove explicit
module names, because those references easily
get outdated.

Backport of r1201194 from trunk.


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Part 1: mod_noloris was superseded by mod_reqtimeout.


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module names, because those references easily
get outdated.


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Set MaxMemFree 2048 by default


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Fix assertion failure during very high load by preventing race condition
between appending to the timeout queues and adding to the pollset. We don't
add additional locking calls but only extend the present calls to include the
apr_pollset_add. Therefore this hopefully should not cause too much performance
regression.

Add some comments 

Replace two AP_DEBUG_ASSERTS with better error handling


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1) Promoted from "most" to "yes/few"

- mod_headers

2) Demoted from "yes/few" to "most"

- mod_actions
- mod_allowmethods
- mod_auth_form
- mod_buffer
- mod_cgi(d)
- mod_include
- mod_negotiation
- mod_ratelimit
- mod_request
- mod_userdir

Remember: default module set is "most",
but only the LoadModule lines of all
modules except "yes/few" are commented out by default.

The following modules will now be loaded by default:

- mod_access_compat
- mod_alias
- mod_auth_basic
- mod_authn_core
- mod_authn_file
- mod_authz_core
- mod_authz_groupfile
- mod_authz_host
- mod_authz_user
- mod_autoindex
- mod_dir
- mod_env
- mod_filter
- mod_headers
- mod_log_config
- mod_mime
- mod_mpm_event
- mod_reqtimeout
- mod_setenvif
- mod_status
- mod_unixd
- mod_version

Backport of r1201111 from trunk.


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