From: Doug Gwyn (VLD/VMB) <gwyn at brl-vgr>
The "gtop" utility outputs a string via
label("\033\073");
to set small text size for 4014s. Trouble is, UNIX plot format is not
necessarily going to be interpreted by a Tektronix! The offending line
should be commented out (it is in ~src/graf/src/gutil.d/gtop.d/gtop.c).