lib/kittikrb/cursor.rb
# Erase from current line to up.
Erase from current line to up.
Erase from current line to up .
def erase_to_up
        erase 0, 0, @width - 1, @y
        self
      end
def erase_to_up erase 0 , 0 , @width - 1 , @y self end
Erase from current line to up.
Erase from current line to up .