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Bug#219551: Unicode xterms should do some kind of substitution for missing characters

On Sat, Nov 08, 2003 at 12:09:16PM +0800, Cameron Patrick wrote:
> I nevertheless maintain that if the requested glyph /isn't/ available,
> it is more useful to display some approximation of the requested
> character than a little white box.

Uh, you seem to be rather glibly overlooking the requirements involved
in "displaying some approximation of the requested character".

Font rendering is not a technology that uses artificial intelligence to
deduce what a glyph that isn't defined in a given font "should look

> Yes, that sounds like a good idea.  I'd be surprised if there weren't
> libraries around that fall down the Unicode slippery slope already.
> Mozilla already handles this kind of thing.  So do gvim and
> gnome-terminal, which suggests that it might be GTK in general that
> handles it.  It is even conceivable that the Unicode-handling library
> might be separate from GTK itself; if that is the case, xterm may be
> able to link to it?

That may be a bad idea.  Even if it isn't, it might be a good idea if
the fonts in question troubled themselves to define a glyph for the

I trust you've filed a bug to that effect.

G. Branden Robinson                |    Damnit, we're all going to die;
Debian GNU/Linux                   |    let's die doing something *useful*!
branden@debian.org                 |    -- Hal Clement, on comments that
http://people.debian.org/~branden/ |       space exploration is dangerous

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