Re: save folded state

[phillip.lord@newcastle.ac.uk (Phillip Lord)]

You mean programmatically? Is folding not just implemented with
invisible overlays? If so, why do you need to change this to get
context?

You can try setting buffer-invisibility-spec temporarily. For example,
run this function in a folded org-mode buffer.

(defun temp ()
  (interactive)
  (message "invisibility spec stuff")
  (let ((buffer-invisibility-spec '()))
    (message "sitting")
    (sit-for 5))
  (message "done"))

It unfolds everything but having the display engine ignore all
overlays/text properties.

If you want to do this interactively, and you will forgive the plug, my
own package, lentic, would enable you to do this. You can open up a
second buffer which has the same text as the first, but could be folded
completely independently of the original. At the moment, you only get
one copy, but I'll expand that to any number at some point. When you're
finished kill the copy, and all the changed folding goes with it.

Phil


John Kitchin <johnrkitchin@gmail.com> writes:

> I am trying to map over a buffer with headlines in various states of
> folded, and get context around certain elements. I find I need to fully
> expand the buffer to get the context in the way I am currently doing it
> (e.g. getting the lines around the element), but I would like to put the
> buffer back to the way it was when I am finished. This is not done with
> the usual macros like save-excursion, save-restriction, etc... Is there
> a way to do this other than a temp buffer?
>
> thanks,
>
> --
> Professor John Kitchin
> Doherty Hall A207F
> Department of Chemical Engineering
> Carnegie Mellon University
> Pittsburgh, PA 15213
> 412-268-7803
> @johnkitchin
> http://kitchingroup.cheme.cmu.edu