GitLab

(update_begin): Don't call tty_hide_cursor.  Clean up.
(update_end, set_terminal_window, set_scroll_region): Clean up.
(ring_bell, reset_terminal_modes): Clean up.
(tty_hide_cursor, tty_show_cursor): Hide/show cursor depending
on tty_cursor_hidden.
(write_glyphs): Call tty_hide_cursor.