--- a/handouts/ho02.tex	Fri Oct 10 16:59:22 2014 +0100
+++ b/handouts/ho02.tex	Sat Oct 11 01:13:13 2014 +0100
@@ -4,7 +4,7 @@
 \usepackage{../graphics}
 \usepackage{../data}
 
-\pgfplotsset{compat=1.11}
+\pgfplotsset{compat=1.11}
 \begin{document}
 
 \section*{Handout 2}
@@ -19,25 +19,29 @@
 
 \begin{center}
 \begin{tabular}{@{}cc@{}}
-\begin{tikzpicture}
\begin{axis}[
    xlabel={\pcode{a}s},
    ylabel={time in secs},
+\begin{tikzpicture}
+\begin{axis}[xlabel={\pcode{a}s},ylabel={time in secs},
     enlargelimits=false,
     xtick={0,5,...,30},
     xmax=30,
-    ymax=35,
    ytick={0,5,...,30},
+    ymax=35,
+    ytick={0,5,...,30},
     scaled ticks=false,
     axis lines=left,
     width=5cm,
     height=5cm, 
     legend entries={Python,Ruby},  
     legend pos=north west,
-    legend cell align=left  
]
+    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};  
-\end{axis}
\end{tikzpicture}
+\end{axis}
+\end{tikzpicture}
 &
-\begin{tikzpicture}
\begin{axis}[
    xlabel={\pcode{a}s},
    ylabel={time in secs},
+\begin{tikzpicture}
+  \begin{axis}[xlabel={\pcode{a}s},ylabel={time in secs},
     enlargelimits=false,
     xtick={0,3000,...,12000},
     xmax=12000,
@@ -45,8 +49,11 @@
     scaled ticks=false,
     axis lines=left,
     width=6.5cm,
-    height=5cm
]
\addplot[green,mark=square*,mark options={fill=white}] table {re2b.data};
-\addplot[black,mark=square*,mark options={fill=white}] table {re3.data};
\end{axis}
\end{tikzpicture}
+    height=5cm]
+\addplot[green,mark=square*,mark options={fill=white}] table {re2b.data};
+\addplot[black,mark=square*,mark options={fill=white}] table {re3.data};
+\end{axis}
+\end{tikzpicture}
 \end{tabular}
 \end{center}\medskip
 
@@ -532,20 +539,25 @@
 \begin{figure}[p]
 \lstinputlisting{../progs/app6.scala}
 \caption{The simplification function and modified 
-\pcode{ders}-function.\label{scala2}}
+\texttt{ders}-function.\label{scala2}}
 \end{figure}
 
 \begin{center}
-\begin{tikzpicture}
\begin{axis}[
    xlabel={\pcode{a}s},
    ylabel={time in secs},
+\begin{tikzpicture}
+\begin{axis}[xlabel={\pcode{a}s},ylabel={time in secs},
     enlargelimits=false,
     xtick={0,2000,...,12000},
-    xmax=12000,
    ytick={0,5,...,30},
+    xmax=12000,
+    ytick={0,5,...,30},
     scaled ticks=false,
     axis lines=left,
     width=9cm,
     height=4cm, 
-    legend entries={Scala V2,Scala V3},    
]
\addplot[green,mark=square*,mark options={fill=white}] table {re2b.data};
-\addplot[black,mark=square*,mark options={fill=white}] table {re3.data};
\end{axis}
\end{tikzpicture}
+    legend entries={Scala V2,Scala V3}]
+\addplot[green,mark=square*,mark options={fill=white}] table {re2b.data};
+\addplot[black,mark=square*,mark options={fill=white}] table {re3.data};
+\end{axis}
+\end{tikzpicture}
 \end{center}
 
 \end{document}