>> 2] i also find that refreshing resets the zoom level created using
>> text-scale-increase.  i wonder if this can also be preserved.  to me,
>> refreshing refers to updating the contents of the agenda view, not
>> things like text scale.
>
> This is a wanted feature AFAICT.  I think the following patch is a
> reliable way to achieve the preservation of text-scale for agenda-redo.

The following is an alternative patch which I think is preferable.  It
just keeps the needed local variables for the text-scale (aka zoom) in
good order in function org-agenda-mode.

Further I use this patch already for some days and could not find any
issue.


Ciao,
     Marco