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