Re: Action Item: Editors to add a note to the spec about the subset of XPath in XSLT

Hi Christian,

This looks good, just two comments below.

2006-12-19 (火) の 11:07 +0100 に Lieske, Christian さんは書きました:
> Hi Felix,
> 
> Here's my suggestion for our action item
> 
>         Editors to add a note to the spec about the subset of XPath in
> XSLT
> 
> recorded in http://www.w3.org/2006/12/13-i18nits-minutes.html
> 
> Let me know what you think.
> 
> I would suggest to add the note to 2.1.2 (Global Approach). On the one
> hand that's where 
> we first extensively talk about "selectors". On the other hand, it is
> in a non-normative part.
> 
> Cheers, 
> Christian 
> ===
> 
> Caveat Related to XSLT-based Processing of ITS Selector Attributes
> 
> The values of ITS "selector" attributes are XPath absolute location
> paths. Accordingly, the 
> following is a legitimate value:
> 
>         verbatim/descendant-or-self::*/@*
> 
> Unfortunately, values like this cause trouble when they are used in
> XSLT-based processing 
> of ITS where the values of the ITS "selector" attributes are used as
> values of "match" attributes 
> of XSLT templates. The reason for this is the following: "match"
> attributes may only contain 
> a restriction/subset of XPath expressions, so-called "patterns" (see
> http://www.w3.org/TR/xslt#patterns). 
> Basically the following restrictions hold for patterns:
> 
> - only axes "child" or "attribute" allowed 
> - "//" or "/" possible 
> - id() or key() function possible 
> - predicates possible
> 
> Using only XSL patterns

this should be "XSLT" patterns

>  in ITS "selector" attributes helps to avoid this issue. In many 
> cases, this is possible by using predicates.

maybe "by using patterns with predicates"

>  The value above may for example be 
> rewritten as follows 
>         
> *[self::verbatim]/@* | verbatim//*/@*
> 

Felix