Quireference extract the default value of a directive  from the <default> of the corresponding <directivesynopsis> block.

The current implementation  expects <default> to be formated like:
directive_name default_value

If the directive name is not there, no default value can be extracted and it is missing in the quickreference table.

This commit adds a basic check to see if the formating looks correct. It catches cases where the directive name is  omited or is misspelled.

If it generates too much noise, feel free to revert or improve :)

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PR 63119.

Move compatibility note in the module synopsis instead of repeating it in all directives.
Fix the way <default> values are given, so that they can be reflected in quickreference.html.
Fix the style used in <syntax> to be consistent with the documentation.
Improve syntax highlight.

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It is already stated at the very begining of the page.

Add a missing ')' to ease reading

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r808895 added `ServerTokens OFF` so some modules were
switched from ap_get_server_banner() to 
ap_get_server_description() so they would never be empty.  

But ap_get_server_description() is documnented as being for local 
use only, so it was not really a suitable replacement much less 
w/ `ServerTokens OFF` subsequently taken out.




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explanation to the LocationMatch explanation.
Probably more people use LocationMatch than
Location with "~".


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PR 63092

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Curious why modules/aaa/mod_authz_dbm.c:get_dbm_grp() doesn't need the same
net changes?



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also linting.

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Update css to have permalink more in line with httpd.a.o:
   - default to white (blue on dark-blue is not really visible)
   - visible only when the mouse is over the corresponding heading

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Improve syntax highlight and hyper-links.

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When a :port is included in the CacheKeyBaseURL the ":" is lost from the actual cache key value.  This doesn't harm apache by itself, the real problem arise if some external program which "knows" about the cache keys structure is used to modify the cache.

When CacheKeyBaseURL is not use, the ":" is kept.

So, be consistent when building the key and keep the ":" in all cases.

PR 53915 [Rein Tollevik <rein basefarm.no>]

+ merge 2 lines of a comment to have it more compact

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Test case  added in r1850983

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Test case  added in r1850983

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  bio_filter_in_read): Clear retry flags before aborting
  on client-initiated reneg.

PR: 63052


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  return APR_SUCCESS rather than rv, which is guaranteed to be
  APR_SUCCESS in current code.


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  Remove written-but-not-read variable (gcc 8.x warning).


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+1 from covener and jim on dev@


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This just got me. I upgraded macOS to Mojave (w/ latest Xcode) and I always build w/ maintainer-mode. The problem is that libxml2 will include various unicode/*.h files that have C++ type comments, which causes building to fail (due to Werror). Work around this.


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