> tab_bar_height calls display_tab_bar_line, which is not used on TTY
> frames.  We could make display_tab_bar_line work on TTY frames, but
> then the question becomes why have a separate display_tab_bar function
> for TTY frames instead of making redisplay_tab_bar support TTY frames
> as well.
>
> IOW, refactoring the code to have just one set of functions for both
> types of frames would make sense, but we should refactor all of it,
> not just a single function.

I have one question: why menu-bar wrapping was not implemented on
TTY frames so far, why the design decision was to always truncate it?

This illustrates the question of how the menu-bar is truncated
whereas text in buffers is wrapped: