* bug#8989: keymap text property applies beyond the region it is set to
@ 2011-07-03 6:25 Dmitry Kurochkin
2011-07-03 14:57 ` Stefan Monnier
0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Kurochkin @ 2011-07-03 6:25 UTC (permalink / raw
To: 8989
Package: emacs
Version: 23.3.1
When keymap text property is set, it changes key binding for one
character after the region it is set to. The following code
demonstrates the problem:
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'bug)
(switch-to-buffer "test")
(insert "123456")
(put-text-property 1 4 'keymap map)
(goto-char 4)
(message "keymap: %s"
(get-text-property (point) 'keymap)) ; no keymap property here
(message "key-binding: %s"
(key-binding (kbd "RET")))) ; but the key binding is changed
Regards,
Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#8989: keymap text property applies beyond the region it is set to
2011-07-03 6:25 bug#8989: keymap text property applies beyond the region it is set to Dmitry Kurochkin
@ 2011-07-03 14:57 ` Stefan Monnier
2011-07-03 21:47 ` Dmitry Kurochkin
0 siblings, 1 reply; 3+ messages in thread
From: Stefan Monnier @ 2011-07-03 14:57 UTC (permalink / raw
To: Dmitry Kurochkin; +Cc: 8989
tags 8989 +notabug
thanks
> When keymap text property is set, it changes key binding for one
> character after the region it is set to. The following code
> demonstrates the problem:
No: in your case, the text property covers characters between positions
1 to 4, and point is at position 4 (right in front of the char at
position 4 and right after the char at position 3), i.e. right on the
boundary of the text-property. When on the boundary, the behavior will
depend on whether the property is sticky or not, so you can control it
by twiddling the "front-advance, read-advance" settings of your overlays
or the rear-non-stick and front-sticky text-properties.
Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#8989: keymap text property applies beyond the region it is set to
2011-07-03 14:57 ` Stefan Monnier
@ 2011-07-03 21:47 ` Dmitry Kurochkin
0 siblings, 0 replies; 3+ messages in thread
From: Dmitry Kurochkin @ 2011-07-03 21:47 UTC (permalink / raw
To: Stefan Monnier; +Cc: 8989
On Sun, 03 Jul 2011 10:57:51 -0400, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> tags 8989 +notabug
> thanks
>
> > When keymap text property is set, it changes key binding for one
> > character after the region it is set to. The following code
> > demonstrates the problem:
>
> No: in your case, the text property covers characters between positions
> 1 to 4, and point is at position 4 (right in front of the char at
> position 4 and right after the char at position 3), i.e. right on the
> boundary of the text-property. When on the boundary, the behavior will
> depend on whether the property is sticky or not, so you can control it
> by twiddling the "front-advance, read-advance" settings of your overlays
> or the rear-non-stick and front-sticky text-properties.
>
Stefan, thank you for the explanation and sorry for a false but report!
Regards,
Dmitry
>
> Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-07-03 6:25 bug#8989: keymap text property applies beyond the region it is set to Dmitry Kurochkin
2011-07-03 14:57 ` Stefan Monnier
2011-07-03 21:47 ` Dmitry Kurochkin
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