[Xy-pic] \newdir

Michael Barr barr@barrs.org
Sat, 6 Jul 2002 21:25:30 -0400 (EDT)


Does anyone know how to use \newdir to produce an arrow with a tick.  Say,
\newdir{+}{<definition>} so that \ar{+>} would produce an arrow like
----+---> ?  You can get the effect by \ar@{>}|-{\object@{|}} .

Michael Barr