The bit and font fields of KCL characters are always 0 .
Common Lisp constants related to characters have the following values in KCL.
char-bits-limit = 1
char-code-limit = 256
char-control-bit = 0
char-font-limit = 1
char-hyper-bit = 0
char-meta-bit = 0
char-super-bit = 0
See Chapter 13 of the Common Lisp Reference Manual for their meanings.