Eli Zaretskii writes: >> From: Elijah Gabe Pérez >> Cc: 79294@debbugs.gnu.org >> Date: Mon, 15 Sep 2025 14:21:35 -0600 >> >> > Maybe it's a bug? Can you show a simple Lisp program that I could >> > evaluate in *scratch* and use to look into this issue? >> >> Sure, here is a recipe: >> >> 1. M-x fundamental-mode >> >> 2. M-: >> (insert >> " " >> (propertize >> "x" >> 'display '(left-fringe >> left-arrow >> error) >> 'keymap (let ((map (make-sparse-keymap))) >> (define-key map (kbd " ") >> (lambda () >> (interactive) >> (print "message!"))) >> map))) >> >> 3. Click on the fringe icon, it should not work an throw the >> " is undefined" message. > > I don't understand: you set the 'keymap' property on a character 'x', > and expect a click on the fringe to somehow magically use that keymap? > That's not how this works: the 'keymap' property defines the keymap to > use when clicking on the character with the property. I see, thanks for the explanation. >> I'm not sure if this is a known bug, but I've seen packages that locally >> (in the buffer local map) bind mouse-1 to a command that scans for the >> overlay in some region of the buffer, probably the fringe keymap doesn't >> support this yet. > > That's exactly what you should do. See, for example, > gdb-mouse-set-clear-breakpoint in gdb-mi.el. > >> For the patch, I have already solved this problem, although I am not >> happy with the solution, it is possibly the only way to solve this: > > That is the right solution. Fine, then i think the patch is now ready to merge (if there are no objections), I'm resending it since i found a bug.