RE: delete-selection-mode as default (WAS: Some developement questions)

[Drew Adams]

> > The only argument I saw here (unless I've forgotten already)
> > in favor of it being off (by default or not) is that when it is on
> > a user (new or old) can too easily accidentally delete text.
> >
> > (Some added "irretrievably", but I haven't seen that claim
> > supported yet.)
> 
> Undo isn't *necessarily* enabled in all buffers?
> i.e. `buffer-disable-undo'.
> 
> That's not so common, but IIRC some buffers are set that way by
> default?

Yes, good point. 

The same problem will exist for accidental `C-w', but yes.

Most delete-selection deletions are kills, so another retrieval
possibility is `C-y'. But I'm sure there are cases where text could
be lost.