### comments seem to work for me (don't forget that this is for multi-line comments, so you need to close them):
!!! 5 html(lang='en') head title App body :coffeescript require "index"
compiles:
<!DOCTYPE html> <html lang="en"> <head> <title>App</title> </head> <body> <script type="text/javascript"> (function() { require("index"); }).call(this); </script> </body> </html>
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