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% !TEX TS-program = lualatex
\documentclass{article}
\usepackage[nostamp]{moodle}
\ifPDFTeX % FOR LATEX and PDFLATEX
	\usepackage[utf8]{inputenc} % necessary
	\usepackage[T1]{fontenc} % necessary
\else % assuming XELATEX or LUALATEX
	\usepackage{fontspec}
\fi
\usepackage{amsmath}% for \:, \medspace, \; and \thickspace

\begin{document}

\section*{Introduction}

This document is intended to check the support of some \LaTeX\ commands for 
horizontal spacing.

The list of horizontal spacings is inspired from 
\texttt{https://tex.stackexchange.com/a/74354/228515}.

\begin{quiz}[points=1]{Horizontal spacing}
\begin{multi}[shuffle=false]{LaTeX Commands}
Find the nut.
\item mnnm \quad $mnnm$
\item mn\space nm \quad $mn\space nm$
\item mn nm \quad $mn nm$
\item mn\,nm \quad $mn\,nm$
\item mn\thinspace nm \quad $ mn\thinspace nm$
\item mn~nm \quad $mn~nm$
\item mn\ nm \quad $mn\ nm$
\item $mn\>nm$ % defined only in math-mode
\item mn\:nm \quad $mn\:nm$
\item mn\medspace nm \quad $mn\medspace nm$
\item mn\;nm \quad $mn\;nm$
\item mn\thickspace nm \quad $mn\thickspace nm$
\item* mn\enspace nm \quad $mn\enspace nm$
\item mn\quad nm \quad $mn\quad nm$
\item mn\qquad nm \quad $mn\qquad nm$
\item mn\textvisiblespace nm
\item mn\\nm
\item mn\newline nm
\item mn%

nm
\item mn\par nm
\end{multi}
\begin{multi}[shuffle=false]{Math spacing}
Dummy text{}
\item $a+$
\item $a+b$
\item* $a+{}$
\item $a\ +$
\end{multi}
\end{quiz}
\end{document}