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Re: [css-text] Enclosed alphanumerics and text-align:capitalize

From: fantasai <fantasai.lists@inkedblade.net>
Date: Tue, 17 Mar 2015 23:15:15 -0400
Message-ID: <5508EDC3.9010708@inkedblade.net>
To: Richard Ishida <ishida@w3.org>, www International <www-international@w3.org>, www-style@w3.org
On 03/10/2015 11:29 AM, Richard Ishida wrote:
>
> i was wondering about how to treat enclosed alphanumerics when text-align is set to capitalize.
>
> See the test results at http://www.w3.org/International/tests/repo/results/text-transform
>
> wrt uppercase or lowercase transforms, the spec simply says "Puts all letters in lowercase", or vice versa, and that seems to
> me appropriate, for those characters that have Unicode mappings. The tests text-transform-upperlower-026.html,
> text-transform-upperlower-027.html indicate that this is what happens across all major desktop browsers.
>
> For text-transform: capitalize, however, the spec says "Puts the first *typographic letter unit* of each word in titlecase"
> (my emphasis).  As you can see in test text-transform-capitalize-031.html, it makes sense when punctuation and the like
> precede the actual word of the text to look for the first real letter. (All browsers pass that test.)
>
> it's not clear to me, however, whether a word that only consists of enclosed alphanumerics (which don't fit the definition of
> 'typgraphic letter unit'), or even one that starts with an enclosed alphanumeric block character, should be not title cased:
> see the results of text-transform-capitalize-026.html. Firefox currently does not. Chrome and Safari, on the other hand do
> titlecase per the Unicode data.  IE titlecases everything except the first word on the page.
>
> i can't imagine that people will want to do this very often, so this seems much like an edge case, but i thought i'd ask the
> question, all the same.
>
> what's the answer?

I think we should go with whatever the Unicode case mapping files
define, and adjust the CSS spec wording to match.

~fantasai
Received on Wednesday, 18 March 2015 08:02:37 UTC

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