@end example
If @var{array} is a string and @var{object} is not a character, a
-@code{wrong-type-argument} error results. If @var{array} is a string
-and @var{object} is character, but @var{object} does not use the same
-number of bytes as the character currently stored in @code{(aref
-@var{object} @var{index})}, that is also an error. @xref{Splitting
-Characters}.
+@code{wrong-type-argument} error results. The function converts a
+unibyte string to multibyte if necessary to insert a character.
@end defun
@defun fillarray array object