* cp-tree.h (language_to_string): Adjust declaration.
	* dump.c (cp_dump_tree): Adjust usage.
	* error.c (dump_char): Use output_formatted_scalar. Tidy.
	(parm_to_string): Lose unused parameter.  Tidy.
	(expr_to_string): Likewise.
	(code_to_string): Likewise.
	(language_to_string): Likewise.
	(op_to_string): Likewise.
	(assop_to_string): Likewise.
	(digit_buffer): Remove.
	(dump_type): Format builtin vector type as __vector__.

From-SVN: r68668