Hi,

This issue is solved in the website repository now. The following commits fix remaining validation errors related to the use of the obsolete TT element:

And the following commit fixes a validation error related to using a P element as a container of DIV elements:

b951df49798db870aab5ebd4c63d70d2d0c6c8cf

I think once these changes are deployed to gnu.org and guix.info this issue can be closed.

P. S.: I would deploy it myself, but I don't remember how to do it in the case of gnu.org, and I don't have information about guix.info.

:)