awestruct/awestruct — pull request #378 by aslakknutsen (2013-10-22 21:07:03+00:00)
Title: Only attempt to render content with Tilt if delegate has any content

Calling Tilt with a empty Textile doc cause error on JRuby. This can
happend when a file only contain front matter metadata and has no
real content to render on it's own.

Simply check if delegate has any content, if it does call the tilt template.