[css-fonts] font-min-size initial

Why does font-min-size [1] have a unit in their initial value, when
that value is 0? I assume this has a reason that I overlooked but want
to rule out that it is a bug :)


[1] https://drafts.csswg.org/css-fonts-4/#font-min-max-size-prop

-- 
Jens Oliver Meiert
https://meiert.com/en/