+ /*
+ * CloseOnExit defaults to closing only on a clean exit - but
+ * unfortunately not on Unix (pterm). On Unix, the exit code of
+ * a shell is the last exit code of one of its child processes,
+ * even if it's an interactive shell - so some pterms will
+ * close and some will not for no particularly good reason. The
+ * mode is still useful for specialist purposes (running a
+ * single command in its own pterm), but I don't think it's a
+ * sane default, unfortunately.
+ */