Nils Berg <nilsb@google.com> schrieb am Do., 14. Apr. 2016 um 19:18 Uhr:

> I've tracked down the bug to mouse--down-1-maybe-follows-link too, but
> don't think read-event is the culprit here.
>
> Rather, mouse--down-1-maybe-follows-link discards the result of
> mouse-on-link-p, which contains the event a click is supposed to be
> translated into. Instead, it just replaces the mouse event with mouse-2 if
> mouse-on-link-p returns non-nil.
>

I've attached a patch that should fix this. According to the documentation
of mouse-on-link-p no such translation should happen if the return value is
a string or vector.