\def\bold:version{bold}
\Configure{mathbf}%
{\bgroup \Tg<span class="mathvariant-bold">}%
{\Tg</span>\egroup }%
\Configure{mathit}%
{\bgroup \Tg<span
class="mathvariant-\ifx \bold:version\math@version bold-\fi italic">}%
{\Tg</span>\egroup }%
\Configure{mathrm}%
{\bgroup \Tg<span class="mathvariant-normal">}%
{\Tg</span>\egroup }%
\Configure{mathsf}%
{\bgroup \Tg<span
class="mathvariant-\ifx \bold:version\math@version bold-\fi sans-serif">}%
{\Tg</span>\egroup }%
\Configure{mathtt}%
{\bgroup \Tg<span class="mathvariant-monospace">}%
{\Tg</span>\egroup }%
-_-_-
\def\:tempd#1#2{%
\expandafter\def\csname #1\endcsname{\mathchar"13#2}%
\MathSymbol\mathop{#1}%
\expandafter\def\csname #1:limits\endcsname{\expandafter
\:same \math:sym\mathop{#1}\limits}%
\expandafter\def\csname #1:nolimits\endcsname{\expandafter
\:same \math:sym\mathop{#1}\nolimits}%
\expandafter\edef\csname n:#1:\endcsname{\noexpand\ifDisplayMath
\noexpand\expandafter \expandafter\noexpand \csname #1:limits\endcsname
\noexpand\else \noexpand\expandafter
\expandafter\noexpand
\csname #1:nolimits\endcsname\noexpand\fi}%
\expandafter\pend:def\csname n:#1:\endcsname{\ifDisplayMath
\mathop:prefix{mathsize-big}\fi}%
}
\:tempd{bigcap}{54}
\:tempd{bigcup}{53}
\:tempd{bigodot}{4A}
\:tempd{bigoplus}{4C}
\:tempd{bigotimes}{4E}
\:tempd{bigsqcup}{46}
\:tempd{biguplus}{55}
\:tempd{bigvee}{57}
\:tempd{bigwedge}{56}
\:tempd{coprod}{60}
\:tempd{intop}{52}
\:tempd{ointop}{48}
\:tempd{prod}{51}
\:tempd{sum}{50}
-_-_-
\def\mathop:prefix#1{%
\Configure{mathop}{*}{<span class="mo-op"
title="#1"\Hnewline>}{</span>}%
{\Configure{mathop}{*}{<span class="mo-op">}{</span>}{}}}
-_-_-
<mo mathsize="big">
<span class="char" title="ch-verbose">
<span class="ch 2211" title="ch-verbose">sum</span>
</span>
</mo>