alphanumericp
alpha-char-p
digit-char
digit-char-p
both-case-p
lower-case-p
upper-case-p
char<
char<=
char/=
char=
char>=
char>
char-lessp
char-not-greaterp
char-not-equal
char-equal
char-not-lessp
char-greaterp
char-code
code-char
char-int
char-downcase
char-upcase
char-name
name-char
character
characterp
standard-char-p
graphic-char-p