Matan Ziv-Av authored Jun 14, 2022 and Tomaz Canabrava committed Jul 03, 2022

- Add `OSC 133 ; *` escape sequences (where * stands for one of
  A,B,C,D,L,P. For the shell to report text mode
  (one of prompt/input/output).
- Store the mode of each character written to the screen.
- Replace isRealCharacter field in Character with flags.
- Store line length in _lineProperties array.