emberjs/ember.js — pull request #9817 by rwjblue (2014-12-05 12:06:46+00:00)
Title: Update HTMLBars to 0.4.0.

* Strengthen validation of block params in HTML syntax.
* Refactor some opcodes.
* Simplify hydration opcodes.
* Introduce concat hook for components and attributes.
* Add htmlbars-syntax package, cleanup module structure.
* Rename printMorphCreation to createMorph.
* Fix error line numbers.