Returns a value like cl:alpha-char-p, but using specified Unicode rules.
cl:alpha-char-p
lispworks
unicode-alpha-char-p char &key style => flag
char
A character
style
A keyword
flag
A generalized boolean
The function unicode-alpha-char-p returns flag as true if char is an alphabetic character according to the Unicode rules specified by style.
unicode-alpha-char-p
The current implementation only supports one style:
:general-category
Use the "general category" for char in Unicode 6.3.0.
unicode-alphanumeric-p unicode-both-case-p
LispWorks User Guide and Reference Manual - 20 Sep 2017