Hello rsc (cc: re2-dev@googlegroups.com), I'd like you to review this change to https://code.google.com/p/re2/
*** Submitted as http://code.google.com/p/re2/source/detail?r=7bf5e87ef4e8 *** doc: add mksyntaxgo R=rsc CC=re2-dev http://codereview.appspot.com/6555056