RE: delete-selection-mode as default

[Drew Adams]

> For a second region, use the secondary selection.  We don't yet have
> keyboard bindings for its commands, unfortunately, though Drew's
> package "second-sel" suggests C-M-y:

For some reason I tend to use the secondary selection quite
a lot. I think that most users never use it. For what it does I
prefer it over using a string register, generally.