Chrome (Version 29.0.1535.3 canary) shows the following console warning for `raven.min.js` ``` "//@ sourceMappingURL=" source mapping URL declaration is deprecated, "//# sourceMappingURL=" declaration should be used instead. ``` It looks like the Source Maps (Rev 3) spec [suggests the `//#` annotation](https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.lmz475t4mvbx).