Am 17.03.2014 12:31, schrieb David Webber:
> But presumably SMuFL is being defined in the expectation that people
> will write SMuFL-compliant fonts? If an SMuFL-compliant font has to
> include all the symbols, then the desire to be all-inclusive, militates
> against the possibility that anyone will ever write one (after Bravura,
> I suppose).
This has just been discussed at the MusicXML meeting at the Frankfurt
Musikmesse last week. And of course "SmuFL-compliant" fonts don't have
to include all the symbols SMuFL defines. Actually I think Bravura will
remain the only font with that explicit goal. As I see it
"SMuFL-compliant" is a guarantee that everything that _is_ part of the
font does comply to the specification. That is if the font contains a
certain set of glyphs all SMuFL-compliant _applications_ will be able to
find them at the expected locations and can make use of the metadata.
>
> Of course Unicode has more generally recognised this problem and few
> (no?) fonts have characters defined at every code point. For the
> purposes of the user, it is sufficient to know that a given font
> includes Arabic, Greek, or Latin-Extended-A or whatever, depending on
> his purposes.
I think that will be the same with SMuFL. If someone releases a font
designed for the engraving of medieval music of a certain kind I can
expect it to contain the glyphs relevant to that kind of notation, but
probably not cluster notation or symbols for electronic music etc.
>
> So (at last my question) will there be specific subsets of code points
> defined, so that if a font contains the whole of a subset, it might be
> officially labelled as containing symbols for "plainchant", "Sacred
> Harp", "common practice period", "20th century popular music", and so on?
Interesting question/suggestion. But probably not identical to the issue
of "SMuFL-compliant".
Best
Urs
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