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* bug#4911: mouse-face property should merge face attributes, not replace
@ 2009-11-12 12:41 Dave Aspinall
  2019-10-01 14:08 ` Lars Ingebrigtsen
  2020-04-10 16:26 ` Clément Pit-Claudel
  0 siblings, 2 replies; 17+ messages in thread
From: Dave Aspinall @ 2009-11-12 12:41 UTC (permalink / raw)
  To: bug-gnu-emacs

Dear Emacs developers,

Perhaps this has been noted already: the low-level behaviour of the 
mouse-face property seems ugly: it simply overwrites the face property 
for characters under the mouse.  For example in Info, blue underlined 
links turn black without the underline when the mouse is hovered over 
them to give the green background from the highlight face.  This feels 
unnatural.

In Proof General (http://proofgeneral.inf.ed.ac.uk) we use the 
mouse-face property on programming language text which is heavily 
decorated with font-lock.  Users complain that when the mouse is over a 
region the normal fontification is obliterated.

  - David Aspinall.

PS incidentally, we used to prefer XEmacs for Proof General, its display 
engine did the right thing here.








^ permalink raw reply	[flat|nested] 17+ messages in thread

end of thread, other threads:[~2020-05-08 15:58 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-11-12 12:41 bug#4911: mouse-face property should merge face attributes, not replace Dave Aspinall
2019-10-01 14:08 ` Lars Ingebrigtsen
2019-10-01 14:36   ` Basil L. Contovounesios
2019-10-01 15:00   ` Eli Zaretskii
2019-10-01 15:14     ` Lars Ingebrigtsen
2019-10-01 16:46   ` Drew Adams
2020-04-10 16:26 ` Clément Pit-Claudel
2020-04-25 21:22   ` Clément Pit-Claudel
2020-04-25 22:13     ` Drew Adams
2020-04-26  3:10       ` Clément Pit-Claudel
2020-04-26 13:34         ` Eli Zaretskii
2020-05-04 15:16           ` Clément Pit-Claudel
2020-05-08 14:39             ` Eli Zaretskii
2020-05-08 15:01               ` Clément Pit-Claudel
2020-05-08 15:20                 ` Eli Zaretskii
2020-05-08 15:58                   ` Clément Pit-Claudel
2020-04-26 17:22         ` Drew Adams

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