Symbol: PANE_UNSEENCHANGES
usr.bin/tmux/format.c
2158
if (ft->wp->flags & PANE_UNSEENCHANGES)
usr.bin/tmux/input.c
1037
wp->flags |= PANE_UNSEENCHANGES;
usr.bin/tmux/window.c
1182
wp->flags &= ~PANE_UNSEENCHANGES;