It doesn't really harm anything to leave it, but <hgroup> is being removed from W3's HTML 5.0 CR.

http://lists.w3.org/Archives/Public/public-html-admin/2013Apr/0003.html

[aurora] (7.x-2.x) $ grep -rn 'hgroup' *
templates/system/maintenance-page.tpl.php:41:          <hgroup id="name-and-slogan">
templates/system/maintenance-page.tpl.php:51:          </hgroup><!-- #name-and-slogan -->
templates/system/page.tpl.php:80:        <hgroup id="name-and-slogan">
templates/system/page.tpl.php:90:        </hgroup><!-- #name-and-slogan -->

Comments

Snugug’s picture

Snugug commented
Status: Active » Closed (fixed)

Converted them to div for the time being. In the dev branch.