Returns a value like cl:upper-case-p, but using specified Unicode rules.
lispworks
unicode-upper-case-p char &key style => flag
|   char⇩  |    
A character.  | 
|   style⇩  |    
A keyword.  | 
|   flag⇩  |    
A generalized boolean.  | 
The function unicode-upper-case-p returns flag as true if char is uppercase according to the Unicode rules specified by style.
The current implementation only supports one style:
 :general-category |  
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:41