zendframework/zf2 — pull request #5989 by marek-saji (2014-03-17 16:06:46+00:00)
Title: Allow aria-labelledby and aria-describedby attributes in form elements

- http://www.w3.org/TR/wai-aria/states_and_properties#aria-labelledby
- http://www.w3.org/TR/wai-aria/states_and_properties#aria-describedby