[whatwg] [html5] r4949 - [giow] (0) The CSS rules need to do attribute value matching consistently across [...]

[Anne van Kesteren]

On Sun, 29 Aug 2010 15:01:27 +0200, L. David Baron <dbaron at dbaron.org>  
wrote:
> On Wednesday 2010-08-25 10:28 +0200, Anne van Kesteren wrote:
>> We need a feature for case-insensitive matching in Selectors already
>> for XHTML (if we really care about this, not sure we do).
>
> Allowing case-insensitive matching beyond matching of a fixed set of
> ASCII-only values seems scary.
>
> If such a general selectors feature were defined as ASCII-only, then
> it would appear to work but then break for cases where it needed to
> be more than ASCII-only (or where the standard ASCII-only algorithm
> is incorrect, such as Turkish, where where I/i are not
> case-equivalents; İ/i and I/ı are).
>
> If it weren't ASCII-only, it would involve significantly more
> complexity than what's needed to support HTML.

I think it can be ASCII-only. You "need" it for input[type=password] and  
such. The only attributes that are currently "compatibility caseless" are  
name on <input type=radio> and name on <map>.


-- 
Anne van Kesteren
http://annevankesteren.nl/