* ch-exp.y (GENERAL_PROCEDURE_NAME, LOCATION_NAME): New

	* ch-exp.y (GENERAL_PROCEDURE_NAME, LOCATION_NAME):  New
	terminal tokens.
	* ch-exp.y (access_name):  New non-terminal token and
	production.
	* ch-exp.y (general_procedure_name):  Now a terminal token.
	* ch-exp.y (location):  Expand production.
	* ch-exp.y (match_simple_name_string):  New function.
	* ch-exp.y (yylex):  Call match_simple_name_string and return
	GENERAL_PROCEDURE_NAME or LOCATION_NAME as appropriate.