delete-extract-rectangle

delete-extract-rectangle is an autoloaded compiled Lisp function in `rect.el'.

(delete-extract-rectangle START END &optional FILL)

Delete the contents of the rectangle with corners at START and END.
Return it as a list of strings, one for each line of the rectangle.

When called from a program the rectangle's corners are START and END.
With an optional FILL argument, also fill lines where nothing has to be
deleted.