[Fontconfig-bugs] [Bug 90330] Preserve binding when preparing patterns

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90330

--- Comment #21 from Karl Tomlinson <bugs.freedesktop at karlt.net> ---
(In reply to bungeman from comment #19)
> I think what I meant by 'preferred' is like <prefer>, while 'approximate'
> seems more like <accept>, with <default> matching up with 'fallback'. In
> other words, with 'preferred' I know that, at least so far as the user is
> concerned, I got an actual 'perfect' match, even if the font data and
> resolved pattern disagree. It's not just <accept>able or 'approximate'; it's
> 'falling forward' as opposed to 'falling back'.

I wonder whether this distinction is really necessary.  If the app does want
to act differently on knowledge of preferred vs accept, then it can look at
the edited match/sort pattern.

I suspect this could be difficult to prescribe and implement as a property on
a single family.  If the app requests "Favourite font", "Helvetica" and the
user prefers Arial over Helvetica, then I'm not sure that an Arial match is
really preferred rather than accepted.

I also suspect this would be overloading binding too much with something is
really something quite different.  (See next comment.)

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