If you type a { in any other text box on the same page as the CuteEditor in Firefox 5.0 or Safari 5.0.5 the CuteEditor window will change to full screen view. The F12 hotkey still causes the editor to go full screen, but this does too. This does not happen in IE or Chrome. Steps to recreate:
1) Open Firefox 5.0 or Safari 5.0.5 for Windows.
3) In the text area that's displayed below the CuteEditor type a single left curly bracket {
4) Notice that the CuteEditor goes full screen.