---------------- ESCAPE COMMANDS -----------------
 J  cursor <--           U  Scroll up one line
 L  cursor -->           M  Scroll down one line
 I  cursor up            O  Scroll up one screen
 ,  cursor down          .  Scroll down one screen
 K  cursor <-- then -->  7  Scroll left
                         9  Scroll right
 ;  insert text
 /  go to supervisor            R  Replace string
 1  overwrite one character     F  Find string
 ^  insert one character        P  Go to page #
 S  save text from cursor to marker
 W  withdraw saved text
 D  duplicate (without withdrawing) saved text
 Z  zap (delete) text from cursor to marker
