[Typo3-UG UK] typo3 and international standards (W3C, Accessibility Standards)

[seml at symbulos.com]

Dear friends,

we are extremely interested in generating websites that are 
compliant with international standards, in particular W3C 
(X)HTML, W3C CSS, Accessibility Standards, as  Section 508, 
WAI.

How does typo3 manage compliancy with standards?

In particular:

1) If the templates are compliant with the above mentioned 
standards, are the generated pages compliant with the same 
standards?

2)Is there a way to force compliancy with international 
standards, so that the content added by users is formatted 
in a way that is compliant with the standards?

3) Is there a way to force users to use only tag structure 
compliant with any of the above mentioned standards 
(including forbidding the use of non compliant / deprecated 
tags, properties, attributes, structures)?

4)Is there a way to force typo3 to reformat pages in order 
for them to be compliant with any of the above mentioned 
standards?

Thanks in advance.

Corrado
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