11/11/21 12:50:54.45
URLﾘﾝｸ(math.stanford.edu)
Having triggered a new release of XY-pic after 11 years, xypdf is now being
integrated and distributed together with XY-pic. This makes it easy to obtain
and to use: install the XY-pic package or update it to version 3.8 or newer,
by the specific method of your TEX distribution.
なんだ、xypdfがXY-picに取り込まれただけの話だったのか。