CPS 1				Syntax Rules				1/22/96

#1	<identifier> -> //a sequence of letters and/or digits that begin
			with a letter//

	where // indicates italics

	read: an object called an 'identifier' can be ...


#2	<string expression> -> <identifier>


#3	<string expression> -> '//any string of printable chars//'


#4	<statement> -> writeln(<string expression>)


#5	<statement> -> readln(<identifier>)


#6	<statement> -> readln


#7	<compound statement> -> begin
				//a sequence of <statements>s each followed
					by a semicolon//
				end


#8	<statement> -> if <boolean expression> then
				<compound statement>
			else
				<compound statement>


#9	<statement> -> if <boolean expression> then
				<compound statement>


#10	<boolean expression> -> <identifier> = <string expression>


#11	<variable declaration> -> //nothing//


#12	<variable declaration> -> var
					//list of// <identifier>s : <type>;


#13	<type> -> string


#14	<program> -> program <identifier>;
			<variable declarations>
			<compound statement>.