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Re: [css3-text] Capital spacing

From: Chris Lilley <chris@w3.org>
Date: Sun, 8 Aug 2004 00:03:17 +0200
Message-ID: <182300782.20040808000317@w3.org>
To: Etan Wexler <ewexler@stickdog.com>
Cc: www-style@w3.org

On Saturday, August 7, 2004, 7:54:21 PM, Etan wrote:

EW> Bert Bos wrote to <mailto:www-style@w3.org> on 6 August 2004 in "Re:
EW> [css3-text] Capital spacing"  
EW> (<mid:16659.42505.884013.479149@lanalana.inria.fr>):

>> I think you have to explain a bit more. If the text contains a word
>> like "valley" and 'text-transform' turns it into "VALLEY", it seems to
>> me quite obvious that the kerning between the V and the A should be
>> whatever the font says it should be for V and A, not what it says for
>> v and a. It would look rather ugly otherwise.

EW> You have my agreement on your example. But my question is, should the
EW> spacing between the "V" and "A" (and the other upper-cased letters) use
EW> the default glyph-widths table or the all-caps-spacing glyph-widths
EW> table? (Refer to the OpenType registration of the capital spacing  
EW> feature  
EW> <http://partners.adobe.com/asn/tech/type/opentype/appendices/ 
EW> features_ae.jsp#cpsp>.)

The latter, as it is known to be all caps. This is a case where the
correct answers fall out obviously as soon as the different layers of
bytes, characters, and glyphs are separated out cleanly.

text-transform alters the glyphs that particular characters produce.
Fonts are collections of glyphs.

 Chris Lilley                    mailto:chris@w3.org
 Chair, W3C SVG Working Group
 Member, W3C Technical Architecture Group
Received on Saturday, 7 August 2004 22:03:17 UTC

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