This patch solves several specific issues:

     1.3.x truncated any open/command arguments following the %1 arg.
           so this patch adds the char** arguments to several functions

     1.3.x did not expand environment strings (%userprofile% etc.)
           *) This patch may still not do so, if we are running with a
              subset of the 'normal' environment for security reasons.

     1.3.x did not parse the extension itself (eg. the .pl key itself)
           for the command, failing the 'named' type (eg. perlscript),
           so this patch first tests the 'named' key, then the .ext key

PR:
Obtained from:
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@85623 13f79535-47bb-0310-9956-ffa450edef68