> The more symbols there are the less likely it is that every font covers all the symbols that someone might find important. Why would every font need to cover

> The more symbols there are the less likely it is that every font covers all the symbols that someone might find important. Why would every font need to cover them in the first place? Just one is enough with symbolic characters, sufficient to display them. Text renderers can deal with that. No font coverage is also fine, at least the data is preserved.