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\begin{enumerate}
\item
\textbf{Put the sections of the file into separate files, named
\file{section1.tex}, \file{section2.tex}, and
\file{section3.tex}.
Include them using the \code{latex}{\textbackslash include} command.}
\begin{figure}[H]
\inputminted[linenos=true]{latex}{exercises/project-structure/main-with-preamble.done.tex}
\caption{\mintinline{latex}{main.tex}}
\end{figure}
\begin{figure}[H]
\inputminted[linenos=true,breaklines=true]{latex}{exercises/project-structure/section1.done.tex}
\caption{\mintinline{latex}{section1.tex} (analogous for the other
sections)}
\end{figure}
\item \textbf{Which command becomes superfluous when you use
\code{latex}{\textbackslash include}?} \\
\code{latex}{\textbackslash include} makes every included file appear on a
new
page. Hence the command \code{latex}{\textbackslash newpage} becomes
superfluous.
\item
\textbf{Can the preamble also be excluded? If no, why? If yes, when can
outsourcing the preamble be useful?} \\
The preamble can also be outsourced, like in task 1. In real-world \LaTeX{}
projects we often make use of numerous packages that need to be configured
by additional commands within the preamble. Therefore, it is advisable to
outsource the preamble. On top of that, this is useful because the file
with the most-commonly used packages can be moved from one project to
another without needing to rewrite the preamble every time.
\item
\textbf{Add the command \code{latex}{\textbackslash
includeonly\{section2\}} to the
preamble. Compile the document again, and check what has changed. What does
the command do and how can it be helpful in a larger project? } \\
The command \code{latex}{\textbackslash includeonly\{section2\}} does
exactly what
the name already says. During compilation, only the
\code{latex}{\textbackslash include}
statements that contain file names that appear in
\code{latex}{\textbackslash includeonly\{file1,file2, …\}} are included.
This can be useful for larger projects, when the compile time becomes
longer since by using the \code{latex}{\textbackslash includeonly} only the
files
can be included which we are currently working in. Before the final
compilation we can delete the \code{latex}{\textbackslash includeonly}
command and
end up with our complete \acro{PDF}.
\end{enumerate}