appcelerator/titanium_mobile — pull request #4962 by vishalduggal (2013-11-13 23:21:44+00:00)
Title: [TIMOB-15414] Use nil not empty string to clear title

Fixes regression caused by PR #4801

Test case is in [JIRA](https://jira.appcelerator.org/browse/TIMOB-15414)