Screenshot
Steps to reproduce:
1.Open a page with VE
2.Go to Page options>Categories section
3.Type in a category name which does not already exist
Observed Result:
The new category does not get added
Test Environment: http://en.wikipedia.beta.wmflabs.org/
Browser: Chrome Version 26.0.1410.65
OS: MAC OS X 10. 8. 5
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=63544
Attached: