Re: Lost in translation: font policy ambiguous regarding localization groups

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Le vendredi 30 janvier 2009 à 01:23 -0800, Roozbeh Pournader a écrit :
> Having just renamed two character-rich fonts, I was planning to add
> them to relative xxx-support groups when I found that I really don't
> know what the fonts policy means there. Quoting from
> * Font packages in a non-legacy format (TTF or OTF): [...]
>   2. SHOULD also be registered in every applicable xxx-support
> localization group:
>     * except groups that only require glyphs in the basic latin range.
> What does "the basic latin range" mean here? Does it mean all the
> characters in the Unicode range U+0000..U+007F, which Unicode calls
> "Basic Latin", 


> and everybody just calls ASCII?

Everybody just calls ASCII iso-8859-1 or even plain text in any
encoding. ASCII is meaningless as soon as you put everybody in the

>  Or does it mean
> U+0000..00FF, which according to Unicode is called "Basic
> Latin+Latin-1 Supplement"?
> Even when I take the extended definiition, looking at the existing
> comps file for F11, it seems that the following languages need glyphs
> outside that range, and still list not a single font in the
> xxx-support localization group. I have listed some of the extra
> characters they need too:
> * Afrikaans: U+0149
> * Bosnian: U+0106, U+010C, U+017D
> * Catalan: U+013F, U+0140
> * Esperanto: U+0108, U+011C, U+0124
> * Finnish: U+0160, U+017D
> * French: U+0152, U+0153, U+0178
> The list goes on. The source of needed glyphs come from *.orth files
> in fontconfig. In fontconfig's source tree, they are in the fc-lang
> subdirectory.

Note that the guidelines says SHOULD, not MUST so 100% compliance is not
expected (even though we've been slacking IMHO)

> I think we really need to reword that part of the policy. We need to
> mention how to find the glyphs needed for each language (from
> fontconfig? CLDR?), how to find the languages a font supports (is
> there a fc-list command line argument?), and redefine (and reword)
> "groups that only require glyphs in the basic latin range" to make
> sure everyone gets the same meaning from it.

Well, sure, if you feel strongly about it just do it. I'll welcome
someone else working on enhancing our fonts packaging guidelines for
once :)

IMHO our fonts-related comps groups have become too big to be
user-friendly and effective, but this opinion does not seem to be shared
by a lot of people so I had pushed reworking our comps rules to some
other future release.

Nicolas Mailhot

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