\def\TEIRESIAS{{\:m TEIRESIAS}} \def\eol{\par\noindent} \def\tracebegin{\ragged1000000 \jpar10000 \tenpoint \tt \noindent} \def\traceend{\tenpoint \rm \par} \def\scomm{\null \hangindent 20pt after 0 \noindent $\{$\sl } \def\commpara{\hangindent 20pt after 0} \def\ecomm{$\}$\rm \par \null} \def\centerit#1{$$\ctrline{\tt #1}$$}