Terminals in mosh are still fundamentally character mode, though. That's a fairly inescapable part of the POSIX general terminal interface. A better analogue

Terminals in mosh are still fundamentally character mode, though. That's a fairly inescapable part of the POSIX general terminal interface. A better analogue for something where there's a block-mode send of form data is, ironically, a WWW browser and WWW pages with forms.