Aborts the current command.
Esc in Mac OS X editor emulation) can either be used to abandon a command which has been partially typed in, or to abort the command which is currently running.
Note that, unlike most of the keys described in this manual, this cannot be changed via
editor:bind-key. Instead, use editor:set-interrupt-keys if you wish to change this.
Chooses a process that is useful to break, and breaks it. The process to break is chosen as follows:
Note: This break gesture is supported only on Mac OS X 10.4 and later.
LispWorks Editor User Guide (Macintosh version) - 9 Dec 2014