puppetlabs/puppet — pull request #2423 by hlindberg (2014-03-08 20:00:58+00:00)
Title: (PUP-1897) Allow EPP render expression to render a block

If a block is given in <%= {} %> the block should be evaluated, and
what it produces should be rendered. This commit makes this possible
by:
* explicitly handle the render block case
* allowing {} to be validated as r-value producing