| case_insensitive | Map all upper- to lowercase characters. | 
| iso_latin_1 | Start with an ISO-Latin-1 table | 
| iso_latin_1_case_insensitive | Start with a case-insensitive ISO-Latin-1 table | 
| copy(+Table) | Copy all entries from Table. | 
| tag(+ListOfCodes) | Add these characters to the set of‘tag’characters. | 
| ignore(+ListOfCodes) | Add these characters to the set of‘ignore’characters. | 
| break(+ListOfCodes) | Add these characters to the set of‘break’characters. | 
| +Code1 = +Code2  | Map Code1 onto Code2. |