Function: org-with-undo-amalgamate
org-with-undo-amalgamate is a function alias for with-undo-amalgamate,
defined in subr.el.gz.
Signature
(org-with-undo-amalgamate &rest BODY)
Documentation
Like progn but perform BODY with amalgamated undo barriers.
This allows multiple operations to be undone in a single step.
When undo is disabled this behaves like progn.