Hi Hog, > When piping to gv: > groff -mm oops|gv - > The second page throws PostScript errors, the primary being "undefined in BP". > > Trying with output to a file: > groff -mm oops>oops.ps > Produces a properly formatted second page.
I think this is a long-standing gv(1) problem. Does `cat oops.ps | gv -' also have problems? See https://lists.gnu.org/archive/html/bug-gv/2014-05/msg00001.html for reports of the issue without groff's involvement. Cheers, Ralph.