W3C home > Mailing lists > Public > www-style@w3.org > December 2011

Re: [css3-text] Splitting CSS Text into Level 3 and Level 4

From: Håkon Wium Lie <howcome@opera.com>
Date: Fri, 16 Dec 2011 18:34:20 +0100
Message-ID: <20203.33052.697415.512763@gargle.gargle.HOWL>
To: Brad Kemper <brad.kemper@gmail.com>
Cc: MURATA Makoto <eb2m-mrt@asahi-net.or.jp>, www-style@w3.org
Also sprach Brad Kemper:

 > >  @text-transform german-lowercase { convert: "ẞ" to "ß" }

 > I think for your german-lowercase you need a way to combine it with
 > predefined lowercase. Rather than having a separate
 > 'convert-predefined' though, I would rather see it worked into the
 > "multiple transformations", like this:
 > @text-transform german-lowercase { convert: lowercase, "ẞ" to "ß" }

That's neat, I like it. The alternative -- to specify multiple values
on 'text-transform' -- is clunkier:

   @text-transform german-lowercase { convert: "ẞ" to "ß" }
   text-transform: lowercase german-lowercase;

 > Then you could also use that syntax for a"convert previously-defined" effect too:
 > @text-transform latin-only-uppercase { convert-range: "a","z" to "A","Z"; }

Why not just:

  @text-transform latin-only-uppercase { convert: "a-z" to "A-Z"; }

It's shorter and we don't need to introduce another descriptor. (Which
leaves us with only one descriptor, but that's ok)

 > @text-transform latin-german-lowercase { convert: latin-only-uppercase, "ẞ" to "ß" }
 > And lastly, space separating the characters into character groups
 > seems like a good idea, even if it requires a little more effort in
 > defining the spec (not that bad, I feel, Christopher already did
 > good there, with his "greedy" matching in author order). It makes
 > it a little more readable, allows conversions of "one to some"and
 > "some to one" (the following example is from Christoph Päper's
 > earlier e-mail), and would seem to make it easier to extend in
 > future versions.
 > convert: "Th th Dh dh" to 
 >          "Þ  þ  Ð  ð";

Agreed, this looks good.

 > All of that still seems very simple to spec and accomplish. I would
 > also love to be able to describe even a super-basic version of
 > title case, but maybe boundary-based text-transforms could wait for
 > a future level, if it would slow down this level to include it.

Yes, I think it should wait. 

              Håkon Wium Lie                          CTO °þe®ª
howcome@opera.com                  http://people.opera.com/howcome
Received on Friday, 16 December 2011 17:35:03 UTC

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