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📚 The CoCalc Library - books, templates and other resources

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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% conditional for xetex or luatex

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\newif\ifxetexorluatex

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\ifxetex

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  \xetexorluatextrue

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\else

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  \ifluatex

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    \xetexorluatextrue

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  \else

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    \xetexorluatexfalse

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  \fi

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\fi

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%

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\ifxetexorluatex%

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  \usepackage{fontspec}

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  \usepackage{libertine} % or use \setmainfont to choose any font on your system

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  \newfontfamily\quotefont[Ligatures=TeX]{Linux Libertine O} % selects Libertine as the quote font

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\else

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  \usepackage[utf8]{inputenc}

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  \usepackage[T1]{fontenc}

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  \usepackage{libertine} % or any other font package

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  \newcommand*\quotefont{\fontfamily{LinuxLibertineT-LF}} % selects Libertine as the quote font

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\fi

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\newcommand*\quotesize{60} % if quote size changes, need a way to make shifts relative

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% Make commands for the quotes

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\newcommand*{\openquote}

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   {\tikz[remember picture,overlay,xshift=-4ex,yshift=-2.5ex]

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   \node (OQ) {\quotefont\fontsize{\quotesize}{\quotesize}\selectfont``};\kern0pt}

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\newcommand*{\closequote}[1]

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  {\tikz[remember picture,overlay,xshift=4ex,yshift={#1}]

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   \node (CQ) {\quotefont\fontsize{\quotesize}{\quotesize}\selectfont''};}

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% select a colour for the shading

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\colorlet{shadecolor}{white}

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\newcommand*\shadedauthorformat{\emph} % define format for the author argument

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% Now a command to allow left, right and centre alignment of the author

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\newcommand*\authoralign[1]{%

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  \if#1l

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    \def\authorfill{}\def\quotefill{\hfill}

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  \else

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    \if#1r

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      \def\authorfill{\hfill}\def\quotefill{}

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    \else

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      \if#1c

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        \gdef\authorfill{\hfill}\def\quotefill{\hfill}

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      \else\typeout{Invalid option}

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      \fi

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    \fi

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  \fi}

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% wrap everything in its own environment which takes one argument (author) and one optional argument

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% specifying the alignment [l, r or c]

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%

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\newenvironment{shadequote}[2][l]%

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{\authoralign{#1}

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\ifblank{#2}

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   {\def\shadequoteauthor{}\def\yshift{-2ex}\def\quotefill{\hfill}}

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   {\def\shadequoteauthor{\par\authorfill\shadedauthorformat{#2}}\def\yshift{2ex}}

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\begin{snugshade}\begin{quote}\openquote}

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{\shadequoteauthor\quotefill\closequote{\yshift}\end{quote}\end{snugshade}}

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