I can confirm this on AMD64; only pressing backspace gives me no icon (while I'm in the text-entry field).
** Changed in: gnome-panel (Ubuntu) Status: Unconfirmed => Confirmed -- Icon Preferences Dialogue Closes Too Much https://launchpad.net/bugs/45112 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs