sstephenson/sprockets — pull request #334 by leedo (2012-05-28 18:54:09+00:00)
Title: more specific directive pattern to work around issue with constant interpolation 

Sprockets does constant interpolation after the source has been processed. This means that comments may have lines that look like:

* "<%= PROTOTYPE_VERSION %>"). The famous

This commit makes the directive pattern more specific to allow lines like this. Another approach could be to do the variable interpolation before processing the source.