* M-x auto-fill-mode - autowrapping
* M-q auto format paragraph
* C-space - highlight
* ESC ESC ESC quit
* C-x r k (kill-rectangle). 
* C-x r d (delete-rectangle). 
* C-x r y (yank-rectangle). 
* C-x r o Insert blank space to fill the space of the region-rectangl
* M-x clear-rectangle    Clear the region-rectangle by replacing its contents with spaces. 
* M-x delete-whitespace-rectangle    Delete whitespace in each of the lines on the specified rectangle, starting from the left edge column of the rectangle. 
* C-x r t string RET    Replace rectangle contents with string on each line. (string-rectangle). 
* M-x string-insert-rectangle RET string RET   Insert string on each line of the rectangle.
* M-x goto-line RET n - goto line n



http://grok2.tripod.com/