Display of lists - su below not displayed in latex mode.

gistfile1.txt

{	notes: " Lists to vectors as below. Vectors to lists would be more efficient as could then sum up over subranges i.e. rows and columns"
	name: MAS1342 20122013 CBA1a_1
	extensions:[stats]
	percentPass: 50
	shuffleQuestions: false
	rulesets:{
			std:[all,fractionNumbers, !collectNumbers,!noLeadingMinus]
			}
			
	navigation: {
		allowregen: true
		showfrontpage: false
		reverse: true
		browse: true
	}

	feedback: {
		showtotalmark: true
	}
	

	questions: [
				{
			name: MAS1342 20122013 CBA1a_1

			variables: {
			
			a: "sort(repeat(random(0..1#0.001),m*n-1))"
			m:"4"
			n:"5"
			a1:"a+1"
			a0:"[0]+a"
			b:"vector(a1)-vector(a0)"
			c:"list(b)"
			d:"map(c[j*n..((j+1)*n)],j,0..3)"
			su:"map(sum(x),x,d)"
			ma1:"matrix(d[0],d[1],d[2],d[3])"
			ma2:"transpose(ma1)"
			tu:"map(sum(list(ma2[j])),j,0..n-1)"

			}
			
			
			statement: """

			\[\var{ma1}\] 
			
			
			\[\var{tu}\] 
			
			\[\var{su}\]
			
			{su}
			
			
			"""
		

			parts: [
			
		
			
			]
			

			advice: """
			
			
			"""
			
			
		}

	]
			
			
}