\def\trkendmarker#1{%
\hfil
- \vrule depth -2.8pt
+ \vrule depth -2.7pt
\kern-\hrwd
\zwd{#1}%
\kern\hrwd
\enqueue{name}{$+$ #3}%
}
\def\depart#1{%
- \enqueue{#1}{\trkendmarker{\vrule height 3pt depth -2.6pt width 4pt}}%
+ \enqueue{#1}{\trkendmarker{\vrule height 2.9pt depth -2.5pt width 4pt}}%
\namelet{trk/#1}\emptytrack
}
\def\die#1{%
\namelet{trk/#1}\emptytrack
}
\def\joindie#1#2#3{%
- \enqueue{#1}{\zwd{#2}\zwd{$\times$}}%
+ \enqueue{#1}{\zwd{#2}\zwd{\raisebox{1pt}{$\times$}}}%
\enqueue{name}{$+$ #3}%
}