code: def forward_char(event):
      " Move forward a character. "
      buff = event.current_buffer
      buff.cursor_position += buff.document.get_cursor_right_position(count=event.argf forward_char(event):
      " Move forward a character. "
      buff = event.current_buffer
      buff.cursor_position += buff.document.get_cursor_right_position(count=event.arg)
docs: Move forward a character.