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[bug #63808] configure gives incorrect information regarding pdf generat

From: Deri James
Subject: [bug #63808] configure gives incorrect information regarding pdf generation
Date: Wed, 15 Feb 2023 14:13:14 -0500 (EST)

Follow-up Comment #7, bug #63808 (project groff):

The URW postscript fonts were donated to ghostscript. [1]. If we look at
helvetica, for example, it is actually owned by linotype and licensed to
adobe, microsoft and apple. When adobe developed postscript they included the
licensed font as one of the 35 fonts. So the urw-fonts are in ghostscript if
we look at the font header of the ghostscript font:-

%!PS-AdobeFont-1.0: NimbusSans-Regular 1.00
%%CreationDate: Thu Jul 27 2017
% Copyright (URW)++,Copyright 2014 by (URW)++ Design & Development
% (URW)++,Copyright 2014 by (URW)++ Design & Development

And compare it with the current URW font:-

%!PS-AdobeFont-1.0: NimbusSanL-Regu 1.06_%{version}-%{release}
%%Title: NimbusSanL-Regu
%Version: 1.06_%{version}-%{release}
%%CreationDate: Wed Feb 12 09:48:20 2020
%%Creator: Unknown
%Copyright: Copyright (URW)++,Copyright 1999 by (URW)++ Design &
%Copyright:  Development; Cyrillic glyphs aded by Valek Filippov (C).

There are differences, but the roots are the same. The default foundry
contains the 35 postscript fonts, as does the U- foundry. The difference is
that the default foundry uses the fonts from grops which defines 256 glyphs
(which is what I assume is in the original Helvetica used by Adobe), whereas
the U- foundry runs afmtodit so it has access to all the glyphs in the URW
font (over 500). Compare the files HR and U-HR to see what I mean.

So the groff font names in the U- foundry are always a one to one match to the
default foundry (with U- prepended), which in turn is a match with the names
in grops (bar the ones you filter in basic checks).

I hope I have been clear enough, the "source of truth" for both is the same.

[1] https://tug.org/fonts/deutsch-urw.txt


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