postgresql-contrib 7.5.22 (ia64 binary) in ubuntu feisty

 This is a transitional package to automatically migrate to the new
 multicluster/multiversion structure provided by postgresql-common and
 postgresql-<version>. You can safely remove this package after a
 successful installation.
 .
 The postgresql-contrib package provides several additional features
 for the PostgreSQL database. contrib often serves as a testbed for
 features before they are adopted into PostgreSQL proper.
 .
 PostgreSQL is an object-relational SQL database management system.