Merge pull request #1630 from pmbremner/fix_manual_typos_sec6-1

Remove explicit space characters from text boxes in the manual.

doc/manual/manual.tex

@@ -36,6 +36,7 @@
 \usepackage{listings}
 \lstset{
   language=C++,
+  showstringspaces=false,
   basicstyle=\small\ttfamily,
   columns=fullflexible,
   keepspaces=true,
@@ -2483,7 +2484,7 @@ \subsubsection{Running \aspect{} models}
 \texttt{aspect-release} for a faster model run.
 
 To sum up, the steps you will want to execute are:
-\begin{lstlisting}[frame=single,language=ksh]
+\begin{lstlisting}[frame=single,language=ksh,showstringspaces=false]
 docker run -it -v "$(pwd):/home/dealii/aspect/model_input:ro" \
   gassmoeller/aspect:latest bash
 \end{lstlisting}
@@ -2542,7 +2543,7 @@ \subsubsection{Developing \aspect{} within a container}
 of the container. An example workflow could look as following (assuming you
 navigated in a terminal into the modified \aspect{} source folder):
 
-\begin{lstlisting}[frame=single,language=ksh]
+\begin{lstlisting}[frame=single,language=ksh,showstringspaces=false]
 docker pull dealii/dealii:v8.5.pre.4-gcc-mpi-fulldepsmanual-debugrelease
 docker run -it -v "$(pwd):/home/dealii/aspect:ro" \
   dealii/dealii:v8.5.pre.4-gcc-mpi-fulldepsmanual-debugrelease bash
@@ -3190,7 +3191,7 @@ \subsection{Overview}
   is essentially a table that allows for the simple production of time
   trends. In the example above, and at the time when we are writing this
   section, it looks like this:
-  \begin{lstlisting}[frame=single,language=ksh]
+  \begin{lstlisting}[frame=single,language=ksh,showstringspaces=false]
 # 1: Time step number
 # 2: Time (years)
 # 3: Iterations for Stokes solver
@@ -3544,7 +3545,7 @@ \subsubsection{Visualizing statistical data}
 of writing this, looked like this:
 This file has a structure that looks (at the time of writing this section)
 like this:
-\begin{lstlisting}[frame=single,language=ksh]
+\begin{lstlisting}[frame=single,language=ksh,showstringspaces=false]
 # 1: Time step number
 # 2: Time (seconds)
 # 3: Number of mesh cells
@@ -3595,7 +3596,7 @@ \subsubsection{Visualizing statistical data}
 \texttt{Gnuplot} is a command line program in which you enter commands that
 plot data or modify the way data is plotted. When you call it, you will first
 get a screen that looks like this:
-\begin{lstlisting}[frame=single]
+\begin{lstlisting}[frame=single,showstringspaces=false]
 /home/user/aspect/output gnuplot
 
         G N U P L O T
@@ -3617,7 +3618,7 @@ \subsubsection{Visualizing statistical data}
 plot the heat flux through boundary 2 (the bottom
 boundary of the box), i.e., column 19, as a function of time (column 2).
 This can be achieved using the following command:
-\begin{lstlisting}[frame=single,language=gnuplot]
+\begin{lstlisting}[frame=single,language=gnuplot,showstringspaces=false]
   plot "statistics" using 2:19
 \end{lstlisting}
 The left panel of Fig.~\ref{fig:viz-gnuplot-1} shows what \texttt{Gnuplot}
@@ -3630,7 +3631,7 @@ \subsubsection{Visualizing statistical data}
 plot not only the flux through the bottom but also through the top boundary
 (column 20) and finally add a key to the figure, then the following
 commands achieve this:
-\begin{lstlisting}[frame=single,language=gnuplot]
+\begin{lstlisting}[frame=single,language=gnuplot,showstringspaces=false]
   set xlabel "Time"
   set ylabel "Heat flux"
   set style data linespoints
@@ -3662,7 +3663,7 @@ \subsubsection{Visualizing statistical data}
 one does not need to repeat the name of an input file if it is the same
 as the previous one in a plot command. Thus, instead of the commands above,
 the following abbreviated form would have achieved the same effect:
-\begin{lstlisting}[frame=single,language=gnuplot]
+\begin{lstlisting}[frame=single,language=gnuplot,showstringspaces=false]
   se xl "Time"
   se yl "Heat flux"
   se sty da lp
@@ -3676,7 +3677,7 @@ \subsubsection{Visualizing statistical data}
 different formats. For inclusion in publications, either \texttt{eps} or
 \texttt{png} are the most common. In the latter case, the commands to
 achieve this are
-\begin{lstlisting}[frame=single,language=gnuplot]
+\begin{lstlisting}[frame=single,language=gnuplot,showstringspaces=false]
   set terminal png
   set output "heatflux.png"
   replot