- From: Felix Sasaki <fsasaki@w3.org>
- Date: Wed, 01 Feb 2006 12:02:04 +0900
- To: "Ian Hickson" <ian@hixie.ch>, ishida@w3.org, "Bjoern Hoehrmann" <derhoermi@gmx.net>
- Cc: www-style@w3.org, public-i18n-core@w3.org
Hi, On Wed, 25 Jan 2006 02:50:10 +0900, Ian Hickson <ian@hixie.ch> wrote: > On Sat, 21 Jan 2006 ishida@w3.org wrote: >> >> Comment: In 6.1.1, it should be made clear that the styling language >> (e.g. CSS) must provide a prefix binding mechanism. > > The working group discussed this. > > Since it is possible to use Selectors with languages that do not have > namespaces at all (e.g. the language most used with CSS, namely HTML4), > we > do not agree that such a prefix binding mechanism must be provided. > > >> It is also unclear what effect, if any, namespace declarations in the >> document being styled have on prefixes used in the stylesheet. > > Where the prefixes are defined and what influence, if any, the source > document has is not for this draft to define. We expect it to be defined > in the Namespaces module. > > > On Mon, 23 Jan 2006, Felix Sasaki wrote: >> >> I don't understand you. Your reply to comment #3 asks "what is CSS >> specific about the document?", and your reply here refers only to a >> syntax module *for CSS*. Maybe this is a general problem. A previous >> version was called "css selectors" ( >> http://www.w3.org/TR/2001/WD-css3-selectors-20010126/ ), and your >> terminology in the document is sometimes inconsistent: mostly you talk >> of selectors, but sometimes about css selectors (sec. 11), or w3c >> selectors (sec. 12). > > The reference to "W3C Selectors" has been fixed. > > CSS Selectors are used when the examples are CSS-specific. CSS is, > naturally, a major use case for Selectors. However, other use cases > exist, > in practice STTS, and it has also been proposed to use it with XBL2. > > These mechanisms, in particular XBL2, can and do use different prefix > binding mechanisms. > > > On Mon, 23 Jan 2006, Felix Sasaki wrote: >> >> again: do you depend on css or not? > > There is a dependency on CSS2.1's definitions for the pseudo-elements. It > is perfectly possible to use Selectors without CSS, however. > > > On Tue, 24 Jan 2006, Felix Sasaki wrote: >> >> IMO the situation looks like: >> >> - CSS implementations of selectors: depend on syntax module & are fine. >> - other implementations of selectors: if they don't use namespaces, >> they are >> fine, if not: nobody knows what should happen with namespace prefix >> bindings. > > It depends. In the proposed XBL2 draft, for instance, the XML Namespaces > syntax (xmlns="" attributes) is used to declare namespace prefixes for > Selectors. This has to be determined on a per-"host language" basis. > > >> Why is it not possible to formulate s.t. like "If selectors are used in >> a language which incooperates the namespace mechanisms, the following >> binding rules apply: ..."? > > Because the rules might vary. > > If this does not satisfy you, please let us know. > The i18n core working group is not satisfied with your reply. We see a problem with definition of conformance. Please define conformance with respect to the binding mechanism. This is different from prescribing it to all implementations. Regards, Felix.
Received on Wednesday, 1 February 2006 03:02:17 UTC