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Re: XSL Errata document updated

From: W. Eliot Kimber <eliot@isogen.com>
Date: Fri, 25 Oct 2002 13:54:52 -0500
Message-ID: <3DB9937C.3080500@isogen.com>
To: www-xsl-fo@w3.org

Dave Pawson wrote:

>>>- 1 to your example, since functions 
>>>are not in single quotes, content to functions
>>>e.g. "document('file.ext')"
>>url() isn't a function.  It is not listed in section 5.10.
> Oh! OK. Looks like a function... to me? A name, content in braces?
> I'm more bothered that if you are right, its an exception
> to 'the family' (xslt, xpath, xsl-fo).

I think it's perfectly consistent with, for example, XPointer which 
requires a scheme indicator around an XPointer term, e.g., 
href="#xpointer(//foo/bar)", where the syntax has the same syntactic 
form as typical functions, but is not formally called a function, in 
particular, it is not something that can be used in expressions 
generally and it is not defined as returning anything.

The "xpointer()" in the above URL is not a function (in the formal 
sense) but an identifier of the scheme used to interpret the expression 
between the parens:

 From XPointer Cand. Rec, Section 4.2.1 Full XPointers :

"... [Definition: XPointer parts; each starts with a scheme name and is 
followed by a parenthesized expression, and multiple parts are 
optionally separated by white space.]"


W. Eliot Kimber, eliot@isogen.com
Consultant, ISOGEN International

1016 La Posada Dr., Suite 240
Austin, TX  78752 Phone: 512.656.4139
Received on Friday, 25 October 2002 14:54:32 UTC

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