[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: enriched-mode and switching major modes.

From: Oliver Scholz
Subject: Re: enriched-mode and switching major modes.
Date: Wed, 22 Sep 2004 15:14:41 +0200
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3.50 (windows-nt)

Stefan Monnier <address@hidden> writes:

>> buffer rather than in a string and that they are /editable/.  And that
>> question I can reduce to: how can I implement a tree-like data
>> structure with text properties?
> Without thinking too much about it, I'd say that overlays seem to be
> a better fit: each node is an overlay, the node's attributes can be stored
> in the overlay's properties, the text corresponding to a node can be stored
> directly in the buffer and retrieved by (buffer-substring (overlay-start o)
> (overlay-end o)), ...

I did not spend any thought about overlays, because I thought they
were too expensive?  The documents could be large and have many nodes.

Of course, if overlays work better: maybe they could be made more
efficient in the long run?

Oliver Scholz               1 Vendémiaire an 213 de la Révolution
Ostendstr. 61               Liberté, Egalité, Fraternité!
60314 Frankfurt a. M.       

reply via email to

[Prev in Thread] Current Thread [Next in Thread]