itrelease/coffee-script — pull request #2 by clkao (2012-04-17 04:51:26+00:00)
Title: fixes -c and -o for sourcemaps

as described in #1:

"the cause is actually compileOptions's header attribute, which is true when o.compile is true.

CoffeeScript.compile returns js prepended with the "generated by coffeescript" comment. this somehow causes output.sm to be lost."