Not just those. Odds are shift+del to cut, crtl+insert to copy, shift+insert to paste still work in the browser text area you use to write comments. Even alt+ba

Not just those. Odds are shift+del to cut, crtl+insert to copy, shift+insert to paste still work in the browser text area you use to write comments. Even alt+backspace, the old IBM undo shortcut, still works in pretty much any box that lets you enter text in Windows. That's the power of generic UI components and backwards compatibility!