Hi Michael,
I see... you're right. I've written to James Clark to report the problem
with Trang. And yes, we definitely shouldn't break the schema to suit
the broken validators...
Cheers,
Daniel.
On Mon, 2006-04-09 at 09:13 +0200, Michael Brauer wrote:
> In my opinion, the current schema is correct, and it would be wrong to esacpe
> the '$' characters.
>
> Regular expressions are defined in appendix F of the XSD specification:
> http://www.w3.org/TR/xmlschema-2/#regexs
>
> Rule [9] defines characters and meta characters. The "$" here is not in the
> meta characters, but a normal character. It is further not included in the
> single char escapes define in rule [24]. So, rule [9] allows us to use the
> "$" without escpaing it, and rule [24] actually forbids us to do so.
>
> However, many validators in fact have problems with the fact that "$" is a
> normal character. My assumption is that they reuse regular expression
> implementations which are not tailored to XSD, and therefore treat "$" as a
> meta character. These are bugs in the validators that we cannot work-around
> in the schema.
>
> Michael
--
"I AM in shape. Round IS a shape."
