PREUN

/bin/sh

if [ "$1" = "0" ]; then
  /sbin/install-info --delete --info-dir=/usr/share/info /usr/share/info/lilypond.info || :
  /sbin/install-info --delete --info-dir=/usr/share/info /usr/share/info/music-glossary.info || :
fi

POSTIN

/bin/sh

/sbin/install-info --info-dir=/usr/share/info /usr/share/info/lilypond.info || :
/sbin/install-info --info-dir=/usr/share/info /usr/share/info/music-glossary.info || :