href "title" attribute

[Kevin Ryde <user42@xxxxxxxxxx>]

At pages like

    http://oeis.org/A000007

the cross-reference links like te A001906 in the comments section have a
"title" attribute describing what's at the target,

    <a href="/A001906"
       title="F(2n) = bisection of Fibonacci sequence: a(n)=3a(n-1)-a(n-2)."
    >A001906</a>

Mozilla shows that in the tooltip when hovering the mouse over the link.
Can emacs-w3m do something similar?

Either a tooltip, or perhaps under the w3m-view-header `=' key page
information.  That `=' shows the url of the link at point, it might show
the target "title" info too.