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Pavel Machek | 15 Dec 2010 15:40
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Re: VT console need rewrite

Hi!

> > Yes. These days kernel sources and kernel messages both contain
> > non-ASCII characters... as well as many filesystems.
> 
> But not in kernel printed messages.

Yes, even in those (but something eats my mail).

CAFE driver has non-ascii characters in pci device name, and that
leaks to dmesg.
									Pavel
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Pavel Machek | 15 Dec 2010 15:45
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Re: VT console need rewrite

Hi!

> > I have many different kinds of patchs that did it in different ways.
> > 
> > What realy matters is that, do we agree that add unicode font support is
> > acceptable ?
> 
> Simple unicode font (i.e. just go beyond the arbitrary historical-vga
> 512 glyphs limit for fbcon) might go in.  Double-width is questionable,

That would be very nice, yes.

> But complete unicode support (with arabic ligatures, tibetan
> combinations, etc.) won't ever be accepted in the kernel as that's far
> too involved in terms of font rendering.  So the userland way needs to
> be fixed for these anyway, and then things like chinese will go along...

Well... english has ligatures, too (fi); console does not support them
nicely and we still use it. Support for eastern european characters by
default would be very very nice... and yes, that's just breaking the
256 char limit, nothing more complex.
									Pavel
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Samuel Thibault | 15 Dec 2010 16:04
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Re: VT console need rewrite

Pavel Machek, le Wed 15 Dec 2010 15:45:02 +0100, a écrit :
> > But complete unicode support (with arabic ligatures, tibetan
> > combinations, etc.) won't ever be accepted in the kernel as that's far
> > too involved in terms of font rendering.  So the userland way needs to
> > be fixed for these anyway, and then things like chinese will go along...
> 
> Well... english has ligatures, too (fi);

English ligatures are extremely far from what arabic needs. People
don't even actually know that there are ligatures in English, while for
arabic, people would even have a hard time reading something that isn't
using ligatures.

> console does not support them nicely and we still use it.

Err, I've very rarely seen the fi/ff ligatures on the console, it was
mostly from copy/pastes from pdf documents.

> Support for eastern european characters by default would be very very
> nice... and yes, that's just breaking the 256 char limit, nothing more
> complex.

The console can do 512 glyphs, not only 256, so eastern europe support
is a matter of combining a latin1 font with parts of the other latin
fonts. That already covers a lot of european languages.

Samuel
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Pavel Machek | 20 Dec 2010 07:35
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Re: VT console need rewrite

On Tue 2010-11-30 13:05:51, microcai wrote:
> OK, let me vanish in a few months.
> 
> hopefully I'll be back with a patch fix that stupid 512 glyph limitation.

Looking forward.
								Pavel
(Who'd rather like to see reasonable support for eastern *and* western
europe.)

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Gmane