Re: [bug] [babel] babel corrupts undo history

[Samuel Wales <samologist@gmail.com>]

here is the fix for bug #3:

change this line in org-src.el

      (let ((buffer-undo-list t))

to:

      ;; don't change my undo list here, please
      (progn

this fixes the problem.  i really don't think this kind of fancy undo
list manipulation is the right thing to do in org.


On 3/21/14, Samuel Wales <samologist@gmail.com> wrote:
> bug #3:
>
> insert a source block
> edit after it
> c-c ' to edit
> edit
> c-c ' to go back to mybuffer
> edit before the source block
> undo
> undo
>
> you should notice that the source block is not restored.
>
> note that this is not the same buffer corruption issue i reported
> previously.
>
> in that one, you insert a source block, fill it, and undo.  then the
> next header line gets corrupted:
>
> bug #2:
>
> * header
> #+begin_src org
>   asdf
>   asdf
> #+end_src
> * header2
>
> put point inside the source block, fill, then undo.  you will see
> buffer corruption after the source block.  the exact corruption
> varies.  sometimes it is removal of the #.  other times it is removal
> of * in 1 or 2 headlines below.
>
> what makes it much worse is that you cannot undo to fix the buffer
> corruption.  you have to revert the buffer.
>
> there are others.  i believe the reason is that org tries to get fancy
> with undo.
>


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