Re: Suggest installing more fonts?

[Gregory Heytings]

> > Perhaps there is another font that covers (at least) the complete BMP 
> > that could be included in Emacs?
>
> The BMP is not enough these days.  E.g., many Emoji is outside of it, as 
> are many newly introduced scripts.
>
> Unifont supports much more than the BMP.

Yes, I know: I wrote "at least" ;-)

> It is unusual for a single font to support many different scripts, 
> certainly not the amount that Unifont supports.

Hence the idea of Unifont + help-echo warning.  The users see something 
they can decypher, and are warned that they need to do something to see it 
better.