Re: [Groff] \[-+] not available? why?

[Werner LEMBERG]

> 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