libindex0 4:3.5.7enterprise20070810-0ubuntu2 (amd64 binary) in ubuntu gutsy

 This library provides text indexing and is currently used by KMail
 to implement fast searches in mail bodies.
 .
 This is the runtime package for programs that use the libindex library.
 .
 This package is part of KDE, and a component of the KDE PIM module.
 See the 'kde' and 'kdepim' packages for more information.