PREUN

/bin/sh

if [ $1 = 0 ]; then
  /sbin/install-info --delete /usr/share/info/bison.info.gz /usr/share/info/dir --entry="* bison: (bison).                        The GNU parser generator."
fi

POSTIN

/bin/sh

/sbin/install-info /usr/share/info/bison.info.gz /usr/share/info/dir --entry="* bison: (bison).                        The GNU parser generator."