\documentclass[9pt, letter, landscape]{extarticle}
\usepackage{extsizes}
\usepackage[
	margin=0.5in,
	top=2cm,
	bottom=2cm	
]{geometry}

\usepackage{lmodern}


% Keyboard symbols
\usepackage[os=win]{menukeys}

\usepackage{ragged2e} % Make right margin look better
\raggedright

% Place a rule above our section titles
\usepackage{titlesec}
\titleformat{\section}[display]
  {\large\scshape}{\thesection}{}{\hrule\vspace{3pt}}{}

% Define a date the way we like it
\usepackage[en-AU]{datetime2}

\usepackage{enumitem}
\setlist[description]{
	style=nextline,
	font={\ttfamily},
	itemsep=3pt,
	parsep=0pt,
	leftmargin=12mm
	}
% Make labels in description list not bold
% See https://latex.org/forum/viewtopic.php?t=4204
\renewcommand*\descriptionlabel[1]{\hspace\labelsep\normalfont #1}

% Style our headers and footers
\usepackage{fancyhdr}
\pagestyle{fancy}
 \fancyhf{}
 \fancyhead[L]{\textbf{A Compose Key Cheat Sheet}}
 \fancyhead[R]{\texttt{https://git.kjodle.net/kjodle/compose-key-cheat-sheet}}
 \fancyfoot[L]{Version 0.4.0 • \today}
 \fancyfoot[R]{Page \thepage}
 \renewcommand{\footrulewidth}{0.4pt}
 
 % Redefining headrule
 % See https://tex.stackexchange.com/a/584638/245702
 \makeatletter
 \renewcommand{\headrule}{\hrule height 1pt \vspace{1pt}\hrule height 0.25pt}


\usepackage{multicol}
\setlength{\columnseprule}{0.3pt}
\setlength{\columnsep}{1cm}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}


% Place numbers in a circle
% See https://tex.stackexchange.com/questions/7032/good-way-to-make-textcircled-numbers
% Can also use «circledsteps» package
\usepackage{tikz}
\newcommand*\circled[1]{\tikz[baseline=(char.base)]{
            \node[shape=circle,draw,inner sep=2pt] (char) {#1};}}


% Fonts for symbols
\usepackage{fourier}
\usepackage{txfonts}
\usepackage{wasysym}

% See https://semver.org/ for versioning meaning

\begin{document}

\begin{multicols*}{4}

Some characters may render differently depending on the font used.

\section*{Punctuation}

\begin{description}
	\item[" ,]Czech opening quotes \hfill \quotedblbase
	\item[" <]Czech closing quotes\\also English closing quotes \hfill ``
	\item[" >]English closing quotes \hfill ''
	\item[\keys{space + space}]Non-breaking space
	\item[- - \keys{space}]Soft hyphen (in-word break) \hfill -
	\item[- - -]em dash \hfill —
	\item[- - .]en dash \hfill --
	\item[< -]Left arrow \hfill	$\leftarrow$
	\item[- >]Right arrow \hfill $\rightarrow$
	\item[< <]Left guillemet \hfill \guillemotleft
	\item[> >]Right guillemet \hfill \guillemotright
	\item[. <]Left single guillemet \hfill \guilsinglleft
	\item[. >]Right single guillemet \hfill \guilsinglright
	\item[o o]Degree sign \hfill \textdegree
	\item[P !]Pilcrow \hfill \textparagraph
	\item[< 3]Solid heart \hfill $\varheartsuit$ % txfonts
	\item[: )]Smiling face \hfill \smiley % wasysym
	\item[: (]Frowning face \hfill \frownie % wasysym
	\item[\^{} .]Middle dot \hfill $\cdot$
	\item[. =]Bullet \hfill \textbullet
\end{description}

\section*{Currency}

\begin{description}
	\item[e =]Euro \hfill \eurologo % fourier
	\item[l -]Pound sterling \hfill \pounds
	\item[L -]Pound sterling \hfill \pounds
	\item[c /]Cent \hfill \textcent
\end{description}


\section*{Math}

\begin{description}
	\item[x x]Times \hfill $\times$
	\item[- :]Divide \hfill $\div$
	\item[- ,]Not sign \hfill \textlnot
	\item[< =]Less than or equal to \hfill $\leq$
	\item[> =]Greater than or equal to \hfill $\geq$
	\item[+ -]Plus/minus \hfill $\pm$
	\item[8 8]Infinity \hfill $\infty$
	\item[1 2]One-half (similar with other numbers through 9) \hfill \textonehalf
	\item[\^{} 2]Superscript 2 (also works for other numbers through 9, and some punctuation symbols) \hfill $\Box^2$
	\item[\_{} 2]Subscript 2 (also works as superscript with other symbols) \hfill $\Box_2$
	\item[( 2 )]Circled 2 (also works on numbers through 50) \hfill \circled{2}
	\item[\% o]Per mille sign \hfill \textperthousand
	\item[N o]Numero symbol \hfill \textnumero
\end{description}

\section*{Publishing}

\begin{description}
	\item[( c]Copyright \hfill \copyright
	\item[( r]Registered \hfill \textregistered
	\item[t m]Trademark \hfill \texttrademark
\end{description}

\section*{Music}

\begin{description}
	\item[\# b]Flat sign \hfill $\flat$
	\item[\# f]Natural sign \hfill $\natural$
	\item[\# \#]Sharp sign \hfill $\sharp$	
\end{description}

\section*{Accented Characters}

\begin{description}
	\item[•]
\end{description}


\end{multicols*}

\end{document}