mishoo/UglifyJS2 — pull request #213 by mattrobenolt (2013-05-21 14:46:39+00:00)
Title: SourceMapping pragma has changed to //#

See: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit

The spec was updated on May 16th since `//@` was causing some issues with IE.