I don't understand why 0 and O look nearly identical.
replies(6):
So there is no need to disambiguate them.
https://lii.enac.fr/projects/definition-and-validation-of-an...
Also seems to be more discussion of this point the last time this was posted:
https://news.ycombinator.com/item?id=37519166
It also seems like there's a "slashed zero" glyph in the font, though I don't know how to actually type it:
https://github.com/polarsys/b612/blob/master/sources/ufo/B61...
In CSS you can use font-feature-settings.
https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/...