Bob Proulx <bob@proulx.com> writes:

> Let me suggest the following addition to the NEWS file.
>
>  *** 'string-rectangle' provides on-the-fly preview of the result.
> +This is controlled by the rectangle-preview variable.  Defaults to t.
> +Set (setq rectangle-preview nil) if you want the previous behavior.

I think it should also be documented in the docstring of
string-rectangle: