65.6 foils.cls

<..foils.4ht..>
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % foils.4ht                             2014-07-12-22:36 %
 % Copyright (C) 1997--2009       Eitan M. Gurari         %
 <.TeX4ht copyright.>
 \ifx \o:listoffigures:\:UnDef \else
    \HRestore\listoffigures
 \fi
 \ifx \o:listoftables:\:UnDef \else
    \HRestore\listoftables
 \fi
 <.foils configs.>
 \Hinput{foils}
 \endinput
 -_-_-

<..foils configs..>
 \pend:def\maketitle{\par\a:mktl\begingroup
    \ifx \@thanks\empty \else
       \pend:def\@thanks{\a:thank}%
       \append:def\@thanks{\b:thank}%
    \fi
    \aftergroup\b:mktl \:gobbleII
 }
 \def\@maketitle{%
    {\a:ttl \@title \b:ttl}
    {\lineskip \authorauthorskip
     \begin{tabular}[t]{c}\a:author \@author \b:author\end{tabular}
     \par
    }
    \ifx \@date\empty \else
       \a:date \@date \b:date
    \fi
    \par
 }
 \NewConfigure{maketitle}[4]{\c:def\a:mktl{#1}\c:def\b:mktl{#2}%
    \c:def\a:ttl{#3}\c:def\b:ttl{#4}}
 \NewConfigure{author date}[4]{%
    \c:def\a:author{#1}\c:def\b:author{#2}%
    \c:def\a:date{#3}\c:def\b:date{#4}}
 -_-_-

<..is not foils.cls..>
 \@ifclassloaded{foils}{\:Optionfalse}{}
 -_-_-

�

<..foils configs..>+
 \NewSection\foilhead{}
 \let\:foilhead=\@foilhead
 \def\@foilhead[#1]#2{%
    \def\:temp{#2}\ifx\:temp\empty \:foilhead[#1]{\foilhead{\space}}%
    \else \:foilhead[#1]{\foilhead{#2}}\fi  }
 \NewConfigure{tableofcontents*}[1]{\edef\auto:toc{#1}%
    \ifx \::foilhead\:UnDef
       \let\::foilhead=\:foilhead
       \def\:foilhead{\:TableOfContents[\auto:toc]%
           \let\:foilhead=\::foilhead \::foilhead}
    \fi
 }
 -_-_-

<..foils configs..>+
 \def\Str:pic{\ifx \EndPicture\:UnDef  \Picture*{}%
    \else \let\EndPicture\empty  \fi }
 \let\:boldequation=\boldequation
 \def\boldequation{\Str:pic \:boldequation}
 \append:def\endboldequation{\EndPicture}
 \expand:after{\let\boldequation:=}\csname boldequation*\endcsname
 \expandafter\def\csname boldequation*\endcsname{\Str:pic \boldequation:}
 \expandafter\append:def\csname endboldequation*\endcsname{\EndPicture}
 % \let\:begintheorem=\@begintheorem
 % \def\@begintheorem#1#2{\:begintheorem{#1}{#2.}}
 % \def\@opargbegintheorem#1#2#3{\:begintheorem{#1}{#2.\ [#3] }}
 % \def\@beginstartheorem#1{\:begintheorem{#1.}}
 % \def\@opargbeginstartheorem#1#2{\:begintheorem{#1.}{\ [#2] }}
 % \long\def\@caption#1[#2]#3{\par \begingroup \@parboxrestore \normalsize
 % \@makecaption{\csname fnum@#1\endcsname}{\ignorespaces #3}\par
 % \endgroup}
 \def\end@nonfloat{\end@float}
 -_-_-

<..foils configs..>+
 \def\:temp#1{{\stepcounter{footnote}%
 %   \ifx \footnote\thanks
       \a:thank\@fnsymbol\c@footnote\b:thank
 %   \fi
    \let\a:thanks\empty    \let\b:thanks\empty
    \protected@xdef\@thanks{\noexpand\a:thanks{\@thanks\c:thank
      \@fnsymbol\c@footnote\d:thank #1\e:thank}\noexpand\b:thanks}%
 }}
 \HLet\thanks=\:temp
 -_-_-

Do we need the following?