Replaces zero with slashed variant to better distinguish it from the letter O/o.
Small Capitals From Capitals
Turns caps (and sometimes also numerals and punctuation) into small caps. Mostly used together with Small Capitals feature to get an all-small caps setting.
Replaces letters with historical variants that may appear anachronistic today. The best-known example is the long form of s.
Replaces characters with ordinal forms for use after figures.