(set-char-table-range composition-function-table '(#x1780 . #x17FF) val)
(set-char-table-range composition-function-table '(#x19E0 . #x19FF) val))
(set-char-table-range composition-function-table '(#x1780 . #x17FF) val)
(set-char-table-range composition-function-table '(#x19E0 . #x19FF) val))