Re: string-rectangle provides on-the-fly preview, undesirably

[John Mastro]

Bob Proulx <bob@proulx.com> wrote:
> Drew Adams wrote:
> > Someone will correct me if I'm wrong, but they don't seem
> > to have provided for an easy opt-out of this behavior.
>
> There doesn't seem to be a way to disable the on-the-fly preview
> feature.  Gack.

This looks relevant:

rectangle-preview is a variable defined in ‘rect.el’.
Its value is t

Documentation:
If non-nil, ‘string-rectangle’ will show an on-the-fly preview.

You can customize this variable.

This variable was introduced, or its default value was changed, in
version 25.1 of Emacs.

        John