Minimal "plain" Latin char set . Minimum 'A'-'Z' and 'a'-'z', Numerals '0' - '9' and basic punctuation '.' ',' ';' ':' '!' '?'
Function:: Replaces lining or oldstyle figures with inferior figures (smaller glyphs which sit lower than the standard baseline, primarily for chemical or mathematical notation). May also replace lowercase characters with alphabetic inferiors. The application can use this feature to automatically access the inferior figures (more legible than scaled figures).