PostProcessor working: nested FBO won't work, use FrameBufferManager

work_files/usermanuals/themanpage/man_msh.tex

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+\begin{tabularx}{\textwidth}{l X}
+	\textbf{NAME} & msh - the Moonshell
+	\\ \\
+	\textbf{SYNOPSIS} & \textbf{msh} [file]
+	\\ \\
+	\textbf{COPYRIGHT} & See copyright information for the game you are actually playing.
+	\\ \\
+	\textbf{DESCRIPTION} & \textbf{Msh} is a Lua prompt that reads lua script from the user, or execute a file user had put as an argument.
+\end{tabularx}