Steps to reproduce:
- Go to http://www.mediawiki.org/wiki/Special:VisualEditorSandbox
- Press CTRL-A (or select all text with the mouse)
- Press CTRL-X to cut all this text. The text disappears.
- Press CTRL-V to reinsert the text.
PROBLEM1: Text is not reinserted, the page stays blank.
PROBLEM2: One can enter text, but not new lines. Pressing "Enter" does not have any effect.
Tested on Ubuntu 2012.04, Firefox 13.0.1
Version: unspecified
Severity: major