backport of r914980 and partial backport r728399 (Bob Ionescu)


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revert r912288


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       Add message when server gets within MinSpareThreads of MaxClients.
            PR 46996.  [Dan Poirier]



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    efficient and to correctly handle DNs with duplicate tags.
       PR 45975.
          Trunk Patch: http://svn.apache.org/viewvc?view=rev&revision=724717
                          http://svn.apache.org/viewvc?view=rev&revision=813165
                                          http://svn.apache.org/viewvc?view=rev&revision=820401
                                             2.2.x Patch: http://people.apache.org/~minfrin/ssl-env2.diff
                                                +1: minfrin, fuankg, jim




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Oops, clashed with fuankg vote.  This is not an objection, just a query.


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my misunderstanding.



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