Q0
	Get code
		: In the usual place
		: svn export http://unbox.org/wisp/var/timm/10/310/src/lisp/2/b

For each of the following questions, add lines like this to "run"
	printf "\n===== 2/b/q1 ========================\n\n"
	cat myCodeThatAnswersThisQuestion.lisp
	execute
		: where "execute" is the "test" command shown below.

Q1 (very simple)
	Write
		: Run the standard grammar
	Test
		: clisp main1.lisp

Q2 (very simple)
	Write
		: copy main1.lisp to main2.lisp and alter it so it runs grammar2, not
		: grammar1.
	Test
		: nice -n 1 clisp -q main2.lisp

Q3
	Write
		: Port the grammar you wrote for Homework 1/a/q3 to a file
		: grammar3.lisp
		: Generate five stories.
	Hint:
		: The file grammar3.lisp shows how to do tricks like Modlist 
		: sometimes returning nothing. Also, you will note some syntax changes
		Syntax change: Variables are no longer upper case
			: now, a variable is anything on the LHS
		Syntax change: options are no longer seperate rules
			: now, a head with >1 rule has a list of RHS atoms. e.g.
			: (a => b c d) means b OR c OR d.
		Syntax change: conjunctions are now in brackets
			: now, (a => (b c d)) means that (b c d ) is a 
			: conjunction of things that will be explored in turn.
	Test
		: nice -n 1 clisp -q main3.lisp

Q4	
	Write
		: Write a lisp program that prints out (one per line) all the 
		: right "variables" (i.e.  : non-terminals").
	Hints:
		: The definition of a "variable" has changed since the awk projects.
		: In Lisp, all symbols are stored in upper case, so "variables" are
		: now anything that can be rewritten; i.e. anything on the LHS of a
		: production.
	Test
		: nice -n 1 clisp -q rhs.lisp

Q5: (skip. irrelevant)

Q6 
	Write
		: Write a lisp program that prints out (one per line) all the 
		: right-hand-side "terminals"; i.e. any symbol that is  not found on the 
		: left hand side.
	Notes
		: RHS structures can be atoms or list. Your search needs to recurse
		: now on both the car and cdr of the RHS.
	Hint
		: Edit your grammar. Add in errors.
	Test
		: nice -n 1 clisp -q badright.lisp

Q7 (skip. irrelevant)