diff -r c08290ee4f1f -r 8664ff87cd77 handouts/ho02.tex
--- a/handouts/ho02.tex	Sun Oct 02 14:07:42 2016 +0100
+++ b/handouts/ho02.tex	Sun Oct 02 15:07:21 2016 +0100
@@ -43,10 +43,8 @@
     legend entries={Python,Ruby},  
     legend pos=north west,
     legend cell align=left]
-\addplot[blue,mark=*, mark options={fill=white}] 
-  table {re-python.data};
-\addplot[brown,mark=triangle*, mark options={fill=white}] 
-  table {re-ruby.data};  
+\addplot[blue,mark=*, mark options={fill=white}] table {re-python.data};
+\addplot[brown,mark=triangle*, mark options={fill=white}] table {re-ruby.data};  
 \end{axis}
 \end{tikzpicture}
 &
@@ -64,7 +62,7 @@
     axis lines=left,
     width=6.5cm,
     height=5cm]
-\addplot[green,mark=square*,mark options={fill=white}] table {re2b.data};
+\addplot[green,mark=square*,mark options={fill=white}] table {re2.data};
 \addplot[black,mark=square*,mark options={fill=white}] table {re3.data};
 \end{axis}
 \end{tikzpicture}
@@ -107,6 +105,7 @@
     scaled ticks=false,
     width=6.5cm,
     height=5cm]
+\addplot[green,mark=square*,mark options={fill=white}] table {re2a.data};    
 \addplot[black,mark=square*,mark options={fill=white}] table {re3a.data};
 \end{axis}
 \end{tikzpicture}
@@ -495,10 +494,8 @@
     legend entries={Java,Scala V1},  
     legend pos=north east,
     legend cell align=left]
-\addplot[cyan,mark=*, mark options={fill=white}] 
-  table {re-java.data};
-\addplot[red,mark=triangle*,mark options={fill=white}]
-  table {re1a.data};
+\addplot[cyan,mark=*, mark options={fill=white}] table {re-java.data};
+\addplot[red,mark=triangle*,mark options={fill=white}] table {re1a.data};
 \end{axis}
 \end{tikzpicture}
 \end{center}
@@ -537,12 +534,9 @@
     legend entries={Python,Ruby,Scala V1},  
     legend pos=outer north east,
     legend cell align=left]
-\addplot[blue,mark=*, mark options={fill=white}] 
-  table {re-python.data};
-\addplot[brown,mark=pentagon*, mark options={fill=white}] 
-  table {re-ruby.data};  
-\addplot[red,mark=triangle*,mark options={fill=white}] 
-  table {re1.data};  
+\addplot[blue,mark=*, mark options={fill=white}] table {re-python.data};
+\addplot[brown,mark=pentagon*, mark options={fill=white}] table {re-ruby.data};  
+\addplot[red,mark=triangle*,mark options={fill=white}] table {re1.data};  
 \end{axis}
 \end{tikzpicture}
 \end{center}
@@ -597,14 +591,10 @@
     legend entries={Python,Ruby,Scala V1,Scala V2},  
     legend pos=outer north east,
     legend cell align=left]
-\addplot[blue,mark=*, mark options={fill=white}] 
-  table {re-python.data};
-\addplot[brown,mark=pentagon*, mark options={fill=white}] 
-  table {re-ruby.data};  
-\addplot[red,mark=triangle*,mark options={fill=white}] 
-  table {re1.data};  
-\addplot[green,mark=square*,mark options={fill=white}] 
-  table {re2.data};
+\addplot[blue,mark=*, mark options={fill=white}] table {re-python.data};
+\addplot[brown,mark=pentagon*, mark options={fill=white}] table {re-ruby.data};  
+\addplot[red,mark=triangle*,mark options={fill=white}] table {re1.data};  
+\addplot[green,mark=square*,mark options={fill=white}] table {re2.data};
 \end{axis}
 \end{tikzpicture}
 \end{center}