28.1 Margin Notes

<..more html latex..>+
 \def\:tempc{\@ifnextchar [\:xmpar{\:xmpar[]}}
 \HLet\marginpar\:tempc
 \long\def\:xmpar[#1]#2{\a:marginpar{#2}\b:marginpar}
 -_-_-

<..config latex.ltx utilities..>+
 \NewConfigure{marginpar}{2}
 -_-_-

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