There was a small bug in the patch. I've attached a new version that
hopefully fixes that.

Nils Berg <nilsb@google.com> schrieb am Mi., 11. Mai 2016 um 10:32 Uhr:

> Still no dice, sorry.  I just tried the patched version with the original
> example:
> echo -n bar | xsel -i && \
>   emacs -Q -eval \
>   "(insert (propertize \"foo\" 'follow-link (lambda (pos) \"a\")))"
>
> Now when I click foo nothing happens in the buffer, but there's an error
> message:
> Function mouse--down-1-maybe-follows-link returns invalid key sequence
>
> I can't think of a reason why though :(
>
> M-x version: GNU Emacs 25.0.93.1 (x86_64-pc-linux-gnu, GTK+ Version 3.10.8)
>
> On Wed, May 11, 2016 at 10:14 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>
>> > From: Philipp Stephani <p.stephani2@gmail.com>
>> > Date: Tue, 10 May 2016 21:25:47 +0000
>> > Cc: 23288@debbugs.gnu.org
>> >
>> >  Agreed. https://debbugs.gnu.org/cgi/bugreport.cgi?bug=17887 might
>> also be related.
>> >
>> > I've attached a new patch that should hopefully correct the behavior.
>>
>> Thanks.  If no one objects in a week, please push to the master
>> branch.
>>
>
>