c-lex.c (c_lex): Handle CPP_OTHER differently.

	* c-lex.c (c_lex): Handle CPP_OTHER differently.
	* cppexp.c (_cpp_parse_expr): Similarly.
	* cpplex.c (SPELL_CHAR): Remove.
	(_cpp_lex_direct): Stray chars are saved as byte strings.
	(cpp_spell_token, cpp_output_token, _cpp_equiv_token): Don't
	handle SPELL_CHAR.
	(cpp_avoid_paste): Update handling of CPP_OTHER.
	* cpplib.h: Spell CPP_OTHER like a number.
	(struct cpp_token): Remove member c.
	* cppmacro.c (stringify_arg): Update handling of CPP_OTHER.

From-SVN: r65951