Hello rsc (cc: golang-dev@googlegroups.com), I'd like you to review this change.
LGTM if err != os.EOF would work too.
*** Submitted as http://code.google.com/p/go/source/detail?r=7b27104c0e1f *** bufio.UnreadRune: fix bug at EOF Fixes issue 1132. R=rsc CC=golang-dev http://codereview.appspot.com/2215045