RE: proposal: bind C-x r DEL to #'delete-rectangle

[Drew Adams]

> Rectangle bindings are off `C-x r`. Currently, #'delete-rectangle can
> be ran with `C-x r d`. I think it's intuitive to bind `C-x r DEL` to
> #'delete-rectangle also. This patch does not touch `C-x r d`; that
> keybinding still calls #'delete-rectangle.

I'd say no.  `C-x r' has a mix of different kinds of commands
(bookmarks, registers, rectangles), and it has had such a mix
since about forever.  `C-x r' is not the place to be defining
alternative keys for the same command, IMHO.

(It's bad enough that we have three keys for `point-to-register'.
But those alternative `point-to-register' keys have been there
since at least Emacs 20.)

This is what `C-x r C-h' shows:

C-x r C-@       point-to-register
C-x r ESC       Prefix Command
C-x r SPC       point-to-register
C-x r +         increment-register
C-x r M         bookmark-set-no-overwrite
C-x r N         rectangle-number-lines
C-x r b         bookmark-jump
C-x r c         clear-rectangle
C-x r d         delete-rectangle
C-x r f         frameset-to-register
C-x r g         insert-register
C-x r i         insert-register
C-x r j         jump-to-register
C-x r k         kill-rectangle
C-x r l         bookmark-bmenu-list
C-x r m         bookmark-set
C-x r n         number-to-register
C-x r o         open-rectangle
C-x r r         copy-rectangle-to-register
C-x r s         copy-to-register
C-x r t         string-rectangle
C-x r w         window-configuration-to-register
C-x r x         copy-to-register
C-x r y         yank-rectangle
C-x r C-SPC     point-to-register
C-x r M-w       copy-rectangle-as-kill