Alan Hourihane, 12.10.2013 14:31:21:
No it isn't. I've just looked in sys/dos.c and there is absolutely no reference to sys_err.
http://sparemint.org/cgi-bin/cvsweb/freemint/sys/dos.c.diff?r1=1.30.6.6&r2=1.30.6.7&sortby=date&only_with_tag=helmut-enhancements -- Helmut Karlowski