Re: Which fonts have lesser-used UTF-8 characters?

From: George Mitchell <>
Date: Tue, 17 Jan 2023 17:51:32 UTC
On 1/17/23 10:41, David Chisnall wrote:
> On 17/01/2023 02:59, George Mitchell wrote:
>> For instance, I'm happy to report that Bitstream Vera Sans Mono Bold,
>> which I use in xfce4-terminal, has such relative oddities as ⇒ (U+21d2,
>> rightward double arrow) and ≡ (U+2261, identical to), as well as U+23b5,
>> bottom square bracket -- which isn't in the Fixed Width font in which I
>> am composing this email.  But how would I find a font that has, let's
>> say, U+1d4db, mathematical bold script capital L?  Is there a font
>> character search tool that knows UTF-8 code points?         -- George
> Google publishes a no-tofu font family, including a mono version:
> These have a glyph for every unicode code point and are designed to be 
> used as fall-back for when the selected font does not have a glyph (and 
> would otherwise give blank rectangles: 'tofu')
> David

Hmm, 𝓘I have that font installed, and it works in Mousepad, but
Thunderbird seems unable to avail itself of all the code points.
Fortunately, I don't need to put these characters in email very often.
(In fact, never, until yesterday!)                             -- George