Re: follow-link in grep buffer

[Richard Stallman]

    a) a double-click on a location that has no double-click binding, but
       a local mouse-2 binding, will execute the mouse-2 binding.  This
       will make double-clicks, where not overriden, follow links without
       further code changes compared to 21.4

This means two different modes of operation
where at present we have just one.  A priori, that is undesirable.
It would have to be quite clear that users would like this better
and find it more natural.

By the way, I see that double-mouse-1 does not work on clickable
links.  The reason seems to be that a long click followed immediately
by a short one do not combine as a double click--regardless of the
text.  Is that correct behavior?