Therefore, the instruction code range is 0..16384(0x3fff).
*/
-/* Read a multibyte characeter.
+/* Read a multibyte character.
A code point is stored into reg[rrr]. A charset ID is stored into
reg[RRR]. */
If IC is nil, it is initialized to head of the CCL program.
If optional 4th arg CONTINUE is non-nil, keep IC on read operation
-when read buffer is exausted, else, IC is always set to the end of
+when read buffer is exhausted, else, IC is always set to the end of
CCL-PROGRAM on exit.
It returns the contents of write buffer as a string,