* cpphash.h (struct cpp_reader): New member warned_dollar.
	* cpplex.c (continues_identifier_p): New function.
	(parse_identifier, parse_number, parse_string): Rename lex_identifer,
	lex_number and lex_string, and simplify.
	(parse_slow, unescaped_terminator_p): Die.
	(_cpp_lex_direct): Update.

From-SVN: r65816