A Appendix: Non-Standard TEX Macros
The following macro definitions, although not needed for TTH, will
enable a TEX file that uses the non-standard TTH commands to be
correctly parsed by Plain TEX.
\def\hyperlink#1#2{\special{html:<a href="\##1">}#2\special{html:</a>}}
% Incorrect link name in \TeX\ because # can't be passed properly to a special.
\def\hypertarget#1#2{\special{html:<a name="#1">}#2\special{html:</a>}}
\long\def\tthdump#1{#1} % Do nothing. The following are not done for TtH.
\tthdump{%
\def\title#1{\bgroup\leftskip 0 pt plus1fill \rightskip 0 pt plus1fill
\pretolerance=100000 \lefthyphenmin=20 \righthyphenmin=20
\noindent #1 \par\egroup}% Centers a possibly multi-line title.
\let\author=\title % Actually smaller font than title in \LaTeX.
\input epsf % PD package defines \epsfbox for figure inclusion
% Macro for http reference inclusion, per hypertex.
\def\href#1#2{\special{html:<a href="#1">}#2\special{html:</a>}}
\def\urlend#1{#1\endgroup}
\def\url{\begingroup \tt
\catcode`\_=13 % Don't know why this works.
\catcode`\~=11 \catcode`\#=11 \catcode`\^=11
\catcode`\$=11 \catcode`\&=11 \catcode`\%=11
\urlend}% \url for plain \TeX.
}