Emacs: Rectangular selection. A complete superset of that functionality. Check out the C-x r --- key combos. Inserting in a rectangle: C-x r t Deleting in a re

Emacs: Rectangular selection. A complete superset of that functionality. Check out the C-x r --- key combos. Inserting in a rectangle: C-x r t Deleting in a rectangle: C-x r d and more...