From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Wales <samologist@gmail.com>
Subject: Re: [bug] [babel] babel corrupts undo history
Date: Fri, 21 Mar 2014 17:37:14 -0700
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To: Bastien <bzg@gnu.org>
Cc: emacs-orgmode@gnu.org, Eric Schulte <schulte.eric@gmail.com>

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.