Re: master 5743b74d4b 1/2: Improve mouse dragging

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> If we come up with a safe enough fix, we could consider backporting it
> to the release branch.

I think the display issue is not serious enough to backport (and
probably can't be fixed safely).

But the tooltip face overwriting the text completely prevents any
meaningful use of `mouse-drag-and-drop-region'.  This is enough to fix
that bug alone:

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 1b9542b9b8..e5ea5475f4 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -3049,7 +3049,7 @@ mouse-drag-and-drop-region
 
           ;; Show a tooltip.
           (if mouse-drag-and-drop-region-show-tooltip
-              (tooltip-show text-tooltip)
+              (tooltip-show (copy-sequence text-tooltip))
             (tooltip-hide))
 
           ;; Show cursor and highlight the original region.

WDYT?