\def\enqueue#1#2{%
\global\csname q/#1\expandafter\endcsname=
- \expandafter{\the\csname q/#1\endcsname{#2}}%
+ \expandafter{\the\csname q/#1\endcsname{#2}}%
}
\def\grabhead#1#2\endstop{\def\head{#1}}
\def\gethead#1{\expandafter\grabhead\the\csname q/#1\endcsname\nil\endstop}
\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{%