gistfile1.el

;; edit rectangles of text easily
 
(cua-selection-mode t)
(defalias 'block-edit 'cua-set-rectangle-mark)
(global-set-key "\M-[" 'block-edit)
 
; eval it & then invoke it, select a desired area and try it out

; aliased it to block-edit as its easier to remember in case I ever forget the key binding
; so that I can call it up using M-x