bug#45917: [PATCH] Use big brackets in Calc in big mode

[Mattias Engdegård]

19 jan. 2021 kl. 06.37 skrev Lars Ingebrigtsen <larsi@gnus.org>:

> ... would it be possible to have a fallback if the display doesn't
> support these characters?

Yes, all Unicode characters are checked using char-displayable-p in the patch. 
However, some characters may be technically displayable but not very pretty, or 
have awkward metrics.

That said, the brackets look fine where I've tested them so it's probably not a 
serious concern.

> Yeah.  Or there could be a variable to allow the user to not use these
> fancy brackets if this is important for them?

Maybe, but Calc already has rather too many variables and should we have 
separate variables for all non-ASCII features then, like the square root sign?

We are just speculating here. I'd hoped for concrete cheerful evidence like 
'looks terrible on my terminal', 'completely destroys embedded-mode for me'...