bug#32990: 26.1.50; isearch-forward + t-m-m/mark-active doc

[martin rudalics]

> Sorry for jumping in here in ignorance, but when
> I follow the recipe for bug #8213 with Emacs 26
> I can move the window divider with no problem.

Thanks for checking.  Apparently that bug was fixed in some version of
Emacs 24 and is hopefully marked as done now.

> That does exit Isearch, but that doesn't seem to
> be what the bug report was about - it says that
> you cannot move the divider.

Right.  It would be nice to be able to resize windows during Isearch
without causing the latter to exit.  That would, however, amount to a
feature request and the bug report did not ask for it.

> I'm on Windows 10, though, not Windows 7 as in
> the bug report.  And maybe I'm missing something.

Hopefully not.

Thanks again, martin