> I'm looking at groff_char(7) and see > > N/A \[-+] uni2213 u2213 > > or when I try using it: > > full.1:5686: warning: can't find special character `-+' > > How can I access the "minus plus" symbol?
Doing
grep -e '-+' `find -type f`'
within groff's `font' directory tree you can see that this symbol is
by default only contained in the `S' fonts for -Tlj4 and -Tdvi. For
-Tps, it it maps to glyph `uni2213', but there is no font for it in
the standard setup.
Werner
