that will be used as the downcase part of a case table.
It also modifies `standard-syntax-table' to give them the syntax of
word constituents."
- (let ((lu (length (string-as-unibyte (string uc))))
- (ll (length (string-as-unibyte (string lc)))))
- (unless (= lu ll)
- (error "Can't casify chars with different `charset-bytes' values")))
(aset table uc lc)
(aset table lc lc)
(set-char-table-extra-slot table 0 nil)