W3C home > Mailing lists > Public > www-style@w3.org > March 2010

Re: font-specific feature handling

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Fri, 19 Mar 2010 06:57:02 -0700
Message-ID: <dd0fbad1003190657x7962194ahdb00e2dedcdbfabd@mail.gmail.com>
To: John Daggett <jdaggett@mozilla.com>
Cc: www-style <www-style@w3.org>, Christopher Slye <cslye@adobe.com>
On Fri, Mar 19, 2010 at 12:49 AM, John Daggett <jdaggett@mozilla.com> wrote:
> Tab Atkins Jr. wrote:
>>>> Otherwise, fantasai's alt-set idea seems like an interesting solution
>>>> to Daggett's objections.
>>> As much as I agree with John's aversion to code clutter, I do think
>>> that it's better to keep these things tied to specific fonts, one way
>>> or another. That said, I don't think John's solution would be the end
>>> of the world. We already have this problem in desktop apps like
>>> InDesign, which preserve these kinds of font-specific substitutions. I
>>> don't think it's had a big real-world impact yet. Maybe someday it
>>> will.
>> Still a fundamentally different set of problems, though.  If InDesign
>> preserves the substitutions, it's merely an annoyance when you notice
>> that the new font you're using has weird substitutions.  In CSS, the
>> weird substitutions will often/nearly always occur in a fallback font
>> that the author *never sees*, and thus won't have an immediate clue that
>> there's a problem.
> Are you thinking of fallback within a given font list or in the system
> fallback case?  What are the "weird substitutions" here, the use of a
> different font or the use of strange variants?
> Put another way, in the example below is the "weird substitution" the use
> of fontB?  Or the use of a font chosen by the user-agent when all three
> fonts in the font list aren't available or don't contain a given character?
> body { font-family: fontA, fontB, fontC; }

Neither.  The "weird substitutions" I was referring to were the
algternate glyphs from particular stylesets in the font.  They qualify
as "weird" because they are different from the alternate glyphs in the
original font used.

Received on Friday, 19 March 2010 13:57:59 UTC

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