Re: AVT and 'valid'

LGTM.

On Fri, Sep 8, 2017 at 3:00 AM, Steven Pemberton <steven.pemberton@cwi.nl>
wrote:

> Done: https://www.w3.org/community/xformsusers/wiki/XForms_2.0#
> Attribute_Value_Templates
>
> Steven
>
> On Thu, 07 Sep 2017 18:13:13 +0200, Erik Bruchez <ebruchez@orbeon.com>
> wrote:
>
> XSLT 2.0 [1] says:
>
> > - [ERR XTSE0350] It is a static error if an unescaped left curly bracket
> appears in a fixed part of an attribute value template without a matching
> right curly bracket.
> > - It is a static error if the string contained between matching curly
> brackets in an attribute value template does not match the XPath production
> Expr XP, or if it contains other XPath static errors. The error is signaled
> using the appropriate XPath error code.
> > - [ERR XTSE0370] It is a static error if an unescaped right curly
> bracket occurs in a fixed part of an attribute value template.
>
> XSLT 3.0 [2] seems to say about the same, although they now talk about
> "value templates".
>
> There is also a note about dynamic errors:
>
> > This process can generate dynamic errors, for example if the sequence
> contains an element with a complex content type (which cannot be atomized).
>
> So they use the wording "does not match the XPath production Expr" or
> "contains other XPath static errors". I don't know if we need to be as
> specific, especially since we are in theory more expression-language
> independent.
>
> However we could follow the wording for the brackets and the dynamic
> errors. So what about:
>
>   An [[#The xforms-expression-error Event|xforms-expression-error]] event
> is dispatched to the element containing the expression in the following
> cases:
>
>   - If an unescaped left curly bracket appears in a fixed part of an
> attribute value template without a matching right curly bracket.
>   - If the string contained between matching curly brackets in an
> attribute value template is not syntactically correct.
>   - If an unescaped right curly bracket occurs in a fixed part of an
> attribute value template.
>   - If there is a dynamic error during the concatenation of the parts of
> the attribute value template, for example if the sequence contains an
> element with a complex content type (which cannot be atomized).
>
> -Erik
>
> [1] https://www.w3.org/TR/xslt20/#dt-attribute-value-template
> [2] https://www.w3.org/TR/xslt-30/#value-templates
>
> On Thu, Sep 7, 2017 at 4:05 AM, Steven Pemberton <steven.pemberton@cwi.nl>
> wrote:
>
>> https://www.w3.org/community/xformsusers/wiki/XForms_2.0#
>> Attribute_Value_Templates
>>
>> "If there are unmatched unescaped braces in an attribute value template,
>> or the enclosed expression is not valid or contains other static errors, an
>> [[#The xforms-expression-error Event|xforms-expression-error]] event is
>> dispatched to the element containing the expression."
>>
>> I'm assuming that this is a different use of the word 'valid' than
>> elsewhere, so I am changing it to "syntactically correct".
>>
>> Correct me if I am wrong.
>>
>> Steven
>>
>>
>
>
>
>