* org-mode font-locking clobbers the rear-nonsticky text property; for other modes it doesn't
@ 2007-10-03 9:34 Tom Weissmann
2007-10-04 8:44 ` Carsten Dominik
0 siblings, 1 reply; 2+ messages in thread
From: Tom Weissmann @ 2007-10-03 9:34 UTC (permalink / raw)
To: emacs-orgmode
I am trying to work out why font-lock for Org-mode changes the rear-nonsticky
property of text I insert, while it doesn't do it for other modes.
For example:
(with-current-buffer
(get-buffer-create "foo")
(insert (propertize ";;Try adding text after this ->"
'read-only t
'face 'underline
'rear-nonsticky '(read-only))))
In the "foo" buffer you will be able to add text after the arrow. Turning on
lisp-interaction mode will fontify the text as a comment, but if you delete the
text you added you'll still be able to add some more - whereas in org-mode you
can't.
Does anyone know why this happens and how I can prevent it?
Cheers,
Tom SW
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: org-mode font-locking clobbers the rear-nonsticky text property; for other modes it doesn't
2007-10-03 9:34 org-mode font-locking clobbers the rear-nonsticky text property; for other modes it doesn't Tom Weissmann
@ 2007-10-04 8:44 ` Carsten Dominik
0 siblings, 0 replies; 2+ messages in thread
From: Carsten Dominik @ 2007-10-04 8:44 UTC (permalink / raw)
To: Tom Weissmann; +Cc: emacs-orgmode
On Oct 3, 2007, at 11:34, Tom Weissmann wrote:
> I am trying to work out why font-lock for Org-mode changes the
> rear-nonsticky
> property of text I insert, while it doesn't do it for other modes.
>
> For example:
>
> (with-current-buffer
> (get-buffer-create "foo")
> (insert (propertize ";;Try adding text after this ->"
> 'read-only t
> 'face 'underline
> 'rear-nonsticky '(read-only))))
>
> In the "foo" buffer you will be able to add text after the arrow.
> Turning on
> lisp-interaction mode will fontify the text as a comment, but if you
> delete the
> text you added you'll still be able to add some more - whereas in
> org-mode you
> can't.
>
> Does anyone know why this happens and how I can prevent it?
Hi Tom,
the reason is this: Org-mode uses font-lock to activate links and
dates,
and it adds a rear-nonsticky property to make sure that the properties
behave well. Because of this, the unfontification function I wrote for
org-mode does remove the rear-nonsticky property indiscriminately.
I did not know that you can select the individual properties that
should be
non-sticky - I only learned that from your example. Thanks!
This problem will be fixed in 5.11.
- Carsten
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2007-10-03 9:34 org-mode font-locking clobbers the rear-nonsticky text property; for other modes it doesn't Tom Weissmann
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