revert revison 993532 http://svn.apache.org/viewvc?view=revision&revision=993532
revert revison 993532
http://svn.apache.org/viewvc?view=revision&revision=993532

Current rewriter is limited to the design we settled sometimes ago to
reverse pattern matching. <var> introduced an exception to this design.
fix issue #COUCHDB-1094.


git-svn-id: c1f8a8ec0b3bb2e99ab3413722f81f687760e79c@1083320 13f79535-47bb-0310-9956-ffa450edef68

apache/couchdb-futon,apache/couchdb-futon