Re: RFE: Add level 1 validation of @lang and @xml:lang

2023-05-04 20:01 skreiv Leif H Silli:
> 2023-05-04 12:10 Hussein Shafie:
>> On 5/4/23 00:04, Leif H Silli wrote:

    [ ... snip ...]

>>> What should be the consequences? I my view, it should be that,
>>> 
>>> a) when someone works with a HTML document (as opposed to a XHTML 
>>> document), adding xml:lang without also adding lang, should trigger a 
>>> warning, or error. (Warning can be justified since it could be that a 
>>> HTML document will be consumed as XML - after all, XMLmind is an XML 
>>> editork.)
>>> 
>>> b) if someone specifies both xml:lang and lang but with different 
>>> values, an error should be displayed.
>> 
>> Makes sense. We will try to implement this validation in the next
>> version of XXE (probably as a Schematron).
> 
> Great!

   [ ... snip ...]

> Anyway, I would prefer to use <foo lang="en"/> or <foo xml:lang="en"
> lang="en"/> even for such documents. Put differently, I am not sure
> that it is smart to __not__ warn against <foo xml:lang="en"/> just
> because the user is authoring an XHTML document (and not a HTML
> document).

Sorry. May be it could be smart to offer a 'information' that it might 
not be wise to only rely on xml:lang. But may be a warning would be a 
stretch.

Leif

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