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% The LaTeX generator wraps all custom spans in \DUrole{class}{contents}. That
% command then checks for another command called \DUroleclass.
% Most of our CSS class names have dashes, so we need ‘\csname … \endcsname’
% <magic>
% \def\newcssclass#1#2{\expandafter\def\csname DUrole#1\endcsname ##1{#2}}
% </magic>
\RequirePackage{adjustbox}
\RequirePackage{xcolor}
\RequirePackage{amsmath}
\definecolor{nbordercolor}{HTML}{AAAAAA}
\definecolor{nbgcolor}{HTML}{EAEAEA}
\definecolor{nholecolor}{HTML}{4E9A06}
\newlength{\nscriptsize}
\setlength{\nscriptsize}{0.8em}
\newcommand*{\scriptsmallsquarebox}[1]{%
% Force width
\makebox[\nscriptsize]{%
% Force height and center vertically
\raisebox{\dimexpr .5\nscriptsize - .5\height \relax}[\nscriptsize][0pt]{%
% Cancel depth
\raisebox{\depth}{#1}}}}
\newcommand*{\nscriptdecoratedbox}[2][]{\adjustbox{cfbox=nbordercolor 0.5pt 0pt,bgcolor=nbgcolor}{#2}}
\newcommand*{\nscriptbox}[1]{\nscriptdecoratedbox{\scriptsmallsquarebox{\textbf{#1}}}}
\newcommand*{\nscript}[2]{\text{\hspace{-.5\nscriptsize}\raisebox{-#1\nscriptsize}{\nscriptbox{\small#2}}}}
\newcommand*{\nsup}[1]{^{\nscript{0.15}{#1}}}
\newcommand*{\nsub}[1]{_{\nscript{0.35}{#1}}}
\newcommand*{\nnotation}[1]{#1}
\newcommand*{\nrepeat}[1]{\text{\adjustbox{cfbox=nbordercolor 0.5pt 2pt,bgcolor=nbgcolor}{#1\hspace{.5\nscriptsize}}}}
\newcommand*{\nwrapper}[1]{\ensuremath{\displaystyle#1}} % https://tex.stackexchange.com/questions/310877/
\newcommand*{\nhole}[1]{\textit{\color{nholecolor}#1}}
% <magic>
% Make it easier to define new commands matching CSS classes
\newcommand{\newcssclass}[2]{%
\expandafter\def\csname DUrole#1\endcsname##1{#2}
}
% </magic>
\newcssclass{notation-sup}{\nsup{#1}}
\newcssclass{notation-sub}{\nsub{#1}}
\newcssclass{notation}{\nnotation{#1}}
\newcssclass{repeat}{\nrepeat{#1}}
\newcssclass{repeat-wrapper}{\nwrapper{#1}}
\newcssclass{hole}{\nhole{#1}}
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