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"data-gid" attribute & W3C XHTML 1.0 Strict validation


I am trying to get my pages validated using Markup Validation Service on http://validator.w3.org/

Validation against the XHTML 1.0 Strict doctype comes back with the following error:

... there is no attribute "data-gid"

    …   <a href="#" class="addToCartLink" data-gid="202">Add to Inquiry List</a>

Is there any way to workaround this error while staying on the same doctype - XHTML 1.0 Strict?

If not, what doctype should be used? What are implications of changing a doctype?

Many thanks, LG


Solution

  • Is there any way to workaround this error while staying on the same doctype - XHTML 1.0 Strict?

    No.

    If not, what doctype should be used?

    The HTML 5 Doctype: <!DOCTYPE html>

    What are implications of changing a doctype?

    You get to validate against something that better represents what browsers actually do, but with tools that are still experimental (although not horribly so) and a specification that is still subject to change (although it is pretty stable now).