Screenshot
Steps to reproduce:
1.Open this page with VE:http://en.wikipedia.beta.wmflabs.org/wiki/28thmayff?veaction=edit
2.Insert a special character in the block slug just on top of the last image in the page
3.Press enter to go to the next line
Observed Result:
Cannot go to the next line, the following error appears:
Error: Inserted data is trying to close the root node (at index 0)
Version: unspecified
Severity: normal
Attached: