paper-convert-scripts/make4ht_preamble.cfg at main · pnb/paper-convert-scripts · GitHub

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\Preamble{xhtml,mathjax}

% Capture algorithm environments in a Picture, which should save as SVG
\ConfigureEnv{algorithm}{\Picture*{}}{\EndPicture}{}{}
\Configure{Picture}{.svg}

% Convert double dollar math mode to \[ ... \] because $$ causes SVG output instead of
% the usual MathJax. This is temporary: https://tex.stackexchange.com/questions/661265
\catcode`\:=11
\Configure{$$}{\:HandleMathjaxCatcodes}{\:RestoreMathjaxCatcodes}{\expandafter\AltlDisplayDollars}
\long\def\AltlDisplayDollars#1$${\alteqtoks{\[#1\]}$$}
\catcode`\:=12

% Redefine \quad for non-math mode to preserve it better
\let\originalquad\quad
\renewcommand{\quad}{
  \ifmmode  % If in math mode, use the original definition
    \originalquad
  \else  % Otherwise, redefine as 2em hspace that make4ht preserves as nbsp+nbsp
    \hspace{2em}
  \fi
}

\begin{document}

\providecommand{\checkmark}{}
\renewcommand{\checkmark}{\HCode{&check;}}

\providecommand{\eqref}{}
\renewcommand\eqref[1]{\NoFonts\HChar{92}eqref\{\detokenize{#1}\}\EndNoFonts}

\providecommand{\adjustbox}{}
\renewcommand{\adjustbox}[2][]{#2}

% Redefine paragraph/subparagraph commands that seem completely ignored
\providecommand{\paragraph}{}
\renewcommand\paragraph[1]{\ifvmode\IgnorePar\fi\EndP\HCode{<span class="paragraph">}\NoFonts#1\EndNoFonts\HCode{</span>}\par}
\providecommand{\subparagraph}{}
\renewcommand\subparagraph[1]{\ifvmode\IgnorePar\fi\EndP\HCode{<span class="subparagraph">}\NoFonts#1\EndNoFonts\HCode{</span>}\par}

\EndPreamble