... stopped. Resizing around a wide character could trigger a parser panic, poison the screen mutex and leave subsequent screen reads failing. Switching between clients could reproduce that combination. The screen model now uses avt, the terminal model used by asciinema. If a parser fault occurs, the screen can be rebuilt at the same grid size and a poisoned mutex recovered. Scrollback may be lost for that terminal, but the failure should no longer make the live terminal permanently inaccessible through ...