On Thu, 13 Jun 2013 20:32:47 +0200, Federico Leva (Nemo) <nemowiki@gmail.com> wrote:

James Forrester, 13/06/2013 19:58:

HTML
    comments and elements that have no contents like some |<span>|s will
    now not be silently dropped when editing (bug 48605
    <https://bugzilla.wikimedia.org/show_bug.cgi?id=48605>).

Does this mean that <span id="anchor"></span> will be removed from the
pages?

It will now *not* be dropped (it used to be).