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Re: [css3-text] @text-transform order

From: John Daggett <jdaggett@mozilla.com>
Date: Sun, 18 Dec 2011 16:15:55 -0800 (PST)
To: Koji Ishii <kojiishi@gluesoft.co.jp>
Cc: www-style@w3.org
Message-ID: <1412578884.106220.1324253755505.JavaMail.root@zimbra1.shared.sjc1.mozilla.com>
Koji Ishii wrote:

> How would we define the order to apply multiple @text-transform rules?
> @text-transform a { "abc" to "cde"; }
> @text-transform b { "abc" to "fgh"; }
> <span style="text-transform: a b;">a</style>
> Would it be "h" or "f"? I guess UA applies rules from left to right
> and therefore "h"?

As Brad also mentions, I think only one custom transform should apply
within the text-transform property.  We could allow compounding within
@text-transform rules but I don't think that's necessary for a first
version.  I think we should keep it simple.

I also don't think we should allow custom named transforms to be
referenced directly within text-transform rules, defining it that way
may seem simpler but it leads to conflicts with future value additions. 
I would propose using a 'custom(xxx)' property value.

  @text-transform small-kana { ... }
  rt { text-transform: custom(small-kana); }

This also makes it clear to those reading an unknown stylesheet that
'small-kana' is user defined rather than an intrinsic value.


John Daggett
Received on Monday, 19 December 2011 00:16:23 UTC

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