[OS X Emacs] How to disable replacement of selected region?

[Christopher Menzel]

On Jan 18, 2009, at 10:51 AM, Jose Figueroa-O'Farrill wrote:
> skip> When a region is selected Aquamacs Emacs replaces it with the
> skip> next thing you type.  I would prefer the old school Emacs way of
> skip> simply deselecting the region and inserting the text at point.
> skip> I picked through the options menu and skimmed the FAQ on the
> skip> wiki but saw no mention of this.  How do I disable the
> skip> replace-selected-text functionality?
>
> I think this is cua-mode in action.  It's one of the first things I
> disabled in Aquamacs :)  You can customise it, I believe, but in any
> case
>        (setq cua-mode nil)
>
> ought to do it.  That, of course, may be too radical and possibly you
> can get away with simply
>
>        (setq cua-highlight-region-shift-only t)
>
> I'm not sure, because I have not tried it.

I think he just wants to disable cua-delete-selection.  To do so,  
select Options -> Customize Aquamacs -> Specific Option.  Enter "cua- 
delete-selection" and hit RETURN, click on "Value Menu", select  
"Disabled" and then hit "Save for Future Sessions" and "Finish".

-chris