redundant assignment (clang warning).


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  redundant assignment (clang warning), the apr_file_eof(fp)=>APR_EOF
  case assigns rv to APR_EOF and then to APR_SUCCESS after already.


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  buffer to avoid potential (harmless) memcmp comparison against
  garbage stack data later.  (clang warning).


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  not the configuration settings for frontend connections in case of
  connections by the proxy to the backend.

PR: 62769


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Use priority to remove the ambiguity.

The only rational for choosing "3" and "4" for these priorities, is that "4" is related to <h4> tags, and 3=4-1 for the previous level.

Tested with the actual Xalan XSL engine:
   ./build.sh all
with and without the change.
Outputs are exactly the same.

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Some rules to help me detect un-needed links to directives, or missing ones were sent by error

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1842164 13f79535-47bb-0310-9956-ffa450edef68

Use priority to remove the ambiguity.

The only rational for choosing "3" and "4" for these priorities, is that "4" is related to <h4> tags, and 3=4-1 for the previous level.

Tested with the actual Xalan XSL engine:
   ./build.sh all
with and without the change.
Outputs are exactly the same.

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The XSLT Saxon engine warns that  match="@*" will return only attribute nodes, which can't have any attributes or child.

So simplify the xsl rules accordingly.

Tested with:
   ./build.sh all
with and without the change.
Outputs are exactly the same.

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  pool. Hence close the propdb *after* dav_stream_response which clears thei
  probdb pool.


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* modules/http/http_protocol.c (status_lines,
  get_canned_error_string): Add 425 response.


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Suggested by the IRC Freenode user 'a-ja' on #httpd-dev



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mod_ssl: changing from APLOG_WARN to DEBUG to INFO after review.


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downgrade mod_ssl log level for requests not carrying SNI when SSLStrictSNIVHostCheck is on.


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  consume 1 GB of memory as the subrequests and propdb pools are not
  destroyed and cleared after each element was handled.
  Do this now. There is one case in dav_get_props where elem->priv
  lives longer then the propdb pool. In this case allocate from r->pool.
  Furthermore also recycle propdb's which allows to clear the propdb's
  pools instead of destroying them and creating them again.


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  Retrieve and set sslconn->client_cert here for both "modern" and
  classic access control.
  (ssl_hook_Access_classic, ssl_hook_Access_modern, ssl_hook_Access):
  Restore SSLRequire and FakeBasicAuth checks to ssl_hook_Access so tests
  are still applied for TLSv1.3.


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Instead of logging a password (which is not a good practice), clarify the associated message

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  Disable AUTO_RETRY mode for OpenSSL 1.1.1, which fixes
  post-handshake authentication.
  (ssl_init_proxy_certs): Fix proxy client cert support with
  TLSv1.3, which is now crippled by default.


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This is more readable and isn't miscompiled w/ -O3 on a certain
unnamed EBCDIC platforms compiler.


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