SharePoint 2013 and W3C Standard validator

 Following are case of SharePoint 2013 site does not validate by W3C validator

1. Attribute webpartid not allowed on element div at this point.

2. Attribute haspers not allowed on element div at this point.

3. Attribute width not allowed on element div at this point.

4. Attribute allowdelete not allowed on element div at this point.

5. Attribute allowexport not allowed on element div at this point.

And finally: 

6. Bad value for attribute action on element form: Must be non-empty.

7. Element ie:menuitem not allowed as child of element menu in this context. (Suppressing further errors from this subtree.)

 

So, It means SharePoint 2013 never follow full W3C Specification.

 

Thank you very much

          Fahadullah Karimi

         SharePoint Specialist

http://sharepoint-solution-tricks.blogspot.com/

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