Re: Using TeX Gyre Schola vs. C059

[Daniel Benjamin Miller]

Yes, of course. But what you have overlooked is that this is a choice 
between three licenses. The Schola fonts, which we currently use, are 
licensed under the LPPL version 1.3c. So if you choose that from the 
three options given, then there is no licensing change at all. Just 
choose that option and you have no issues. As URW says on that same 
page: The URW++ Core 35 fonts, Version 2.0 are distributed under the GNU 
Affero General Public License, Version 3 with an exemption, The LaTeX 
Project Public License, Version 1.3c and the SIL Open Font License, 
Version 1.1. If you use the fonts, you may choose which license is most 
suitable for you. If you extend or modify the fonts, you may release 
your modified versions under any combination of the three licenses. 
Please consult the LICENSE document for the text of the licenses. Please 
note that the three licenses apply only to the original Version 2.0 
fonts, as released by URW++. So, let's just choose the LPPL and there 
are no issues.

   Daniel Benjamin Miller <dbmiller@dbmiller.org> writes: >/Right now,
   the default text fonts in Lilypond are TeX Gyre Schola,/ >/which is
   a variant of URW Century Schoolbook. However, there are some/
    >/issues with the fonts, in my view. For instance, look at the
   tittles/ >/of the i and j: they have been shrunken and lowered,
   unlike in all the / >/professional versions of the Century
   Schoolbook design./ > >/I suggest that we switch to the 2.0 release
   of the URW fonts (Schola/ >/is based on the 1.0 release). The font
   is called 'C059' and is/ >/available here:
   https://github.com/URWTypeFoundry/Core_35
   <https://github.com/URWTypeFoundry/Core_35>. In/ >/comparison with
   Schola, C059 adds monotonic Greek and Cyrillic support/ >/(Schola
   has "Greek" but its characters are unusable). The only/
    >/disadvantage is a slightly smaller Latin-Extended glyph supply in
   C059/ >/vs. Schola./ The URW++ Core 35 fonts, Version 2.0 are
   distributed under the GNU Affero General Public License, Version 3
   with an exemption, The LaTeX Project Public License, Version 1.3c
   and the SIL Open Font License, Version 1.1. We don't want to put
   LilyPond under the Affero GPL and the exemption does not apply to
   including the fonts with a GPL program (which would make it silly to
   choose Affero GPL in the first place, but I chose to check anyway).
   -- David Kastrup