Standard edit control characters can be used to facilitate the generation of command sequences in the Enter new command sequence edit window of the Command Sequence input dialog.
Ctrl+C copies selection to the clipboard.
Ctrl+X removes the current selection and puts it on the clipboard.
Ctrl+V pastes the clipboard contents at the insertion point.
BS (Backspace) deletes previous character (if any) entered in current command sequence.
Del (Delete) deletes character (if any) to the right of the cursor.
Ctrl+C can also be used to copy sequences from the Previous command sequence window to the Enter new command sequence window of the Command Sequence input dialog.