Hello ken2 (cc: golang-dev@googlegroups.com), I'd like you to review this change.
*** Submitted as http://code.google.com/p/go/source/detail?r=37c2c598645a *** gc: change -u to require imports to be marked safe R=ken2 CC=golang-dev http://codereview.appspot.com/1597043
LGTM