The error
Steps to reproduce:
1.Open a page with VE which has slug in it
2.Place your cursor in the slug and open the math inspector
3.Now type something inside the math inspector
Observed Issue 1:
It throws an error:
Cannot call method 'update' of null
And if you insert the math function and save the page and then go to edit source , you will see an empty math rag has also been added to the page
Test Environment: http://en.wikipedia.beta.wmflabs.org/
Browser: Chrome Version 26.0.1410.65 & FF 25
OS: MAC OS X 10. 8. 5
Page:http://en.wikipedia.beta.wmflabs.org/w/index.php?title=User:RYasmeen_(WMF)&action=edit
See the screenshots attached
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=58286
Attached: