* ap_expr: Fix replace() func when length of "from" != length of "to".


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1643094 13f79535-47bb-0310-9956-ffa450edef68
add a warning to resp() similar to the one present for REQUEST_STATUS [too early in <if>]



git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1643118 13f79535-47bb-0310-9956-ffa450edef68