Constellation/escodegen — pull request #50 by michaelficarra (2012-09-04 20:26:14+00:00)
Title: initial work on source map support

**Note:** This pull request is **not yet ready.** I just want to feel out support for getting this pulled upstream and see if I can get help with the sections marked FIXME. It does work, however. Try it out.

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This adds source map support to escodegen through use of the [Mozilla Source Map library](https://github.com/mozilla/source-map).