Re: Support for undo-amalgamate in a version of the atomic-change-group macro (with patch)

[Stefan Monnier]

> In these situations collapsing undo data was necessary.
> - Calling kmacro-exec-ring-item (based on this answer [0])

Aha, yes, this one makes a lot of sense.

> - Calling some evil functions for e.g.
>
>   (defun evil-paste-and-indent-after ()
>     (interactive)
>     (with-undo-collapse
>       (evil-paste-after 1)
>       (evil-indent (evil-get-marker ?\[)
>                    (evil-get-marker ?\]))))

Yes, there are indeed a few commands that explicitly call
`undo-boundary`.  These are rather rare (and you can often argue that
they're bugs, where the undo-boundary should only be inserted if the
command is used interactively).


        Stefan