bug#62857: CUA rectangle mode in occur edit mode

[Eli Zaretskii]

> From: Daniel Fleischer <danflscr@gmail.com>
> Date: Sat, 22 Apr 2023 22:00:27 +0300
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Thanks.  This actually reveals a serious bug in the C
> > re-implementation of line-number-at-pos: it was signaling an error for
> > positions outside of the narrowing, where the original Lisp
> > implementation didn't.  I've now fixed this on the emacs-29 branch.
> > Can you test the fix?  The diffs are below, for your convenience:
> 
> Tested on master 3badd2358d5, works as expected. Thanks!

Great, thanks for testing.  I'm therefore closing this bug.