Revision 1683113

Merge r1681795, r1682988, r1682979, r1682819, r1682816 from trunk:

initialize args to not print garbage mem during a RewriteRule parse error



Initialize args to not print garbage mem during a RewriteCond parse error (same as r1681795 for RewriteRule)

Improve style in examples.

Improve error message (related to PR57311 diagnostic)

Concat string at compile time in order to save a few cycles.

Submitted by: covener, jailletc36, jailletc36, jailletc36, jailletc36
Reviewed/backported by: jim