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Re: [O] can I disable LaTeX fragment previews individually?

From: Stephen J . Barr
Subject: Re: [O] can I disable LaTeX fragment previews individually?
Date: Wed, 07 May 2014 19:02:04 -0700
User-agent: mu4e; emacs 24.3.1

Thank you for letting me know. This may be a fun project!

Nick Dokos <address@hidden> writes:

> Stephen J. Barr <address@hidden> writes:
>> Hello,
>> I often use org-preview-latex-fragment and sometimes I would like to
>> turn the previews on and off on a case-by-case basis. Then I do C-c C-c,
>> it turns off all the previews. Is there a way to toggle the preview just
>> for the fragment at the point?
> No built-in way afaict: C-c C-c calls the following function
> ,----
> | (defun org-remove-latex-fragment-image-overlays ()
> |   "Remove all overlays with LaTeX fragment images in current buffer."
> |   (mapc 'delete-overlay org-latex-fragment-image-overlays)
> |   (setq org-latex-fragment-image-overlays nil))
> `----
> which maps delete-overlay over *all* the elements of the
> org-latex-fragment-image-overlays list.
> Figuring our which overlay in that list is the one you want to delete
> may or may not be easy, but if you knew then you can call
> delete-overlay on it. But you'll have to write some lisp.
> Nick

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