undo in org.el

[Leo <sdl.web@gmail.com>]

Dear all,

[a suggestion]

I seem to recall some time ago there were some discussions about undo
changes. for example, if I archive a subtree and then undo, the archived
substree will be restored to its original .org file but is also archived
in the _archive.org file. i.e. the undo is incomplete.

We can use the following to make the archive action one atomic change.

,----[ (info "(elisp)Atomic Changes") ]
|    If you need something more sophisticated, such as to make changes in
| various buffers constitute one atomic group, you must directly call
| lower-level functions that `atomic-change-group' uses.
`----

HTH,
-- 
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