A predicate for extended characters.
lispworks
extended-char-p object => result
| object⇩ | 
The object to be tested. | 
| result⇩ | 
A boolean. | 
The function extended-char-p is a predicate for extended characters, only with standard spelling.
result is t if object is an extended character, and nil otherwise.
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:41