On Debian (<= lenny), we had librxp1 and librxp1-dev package for
version 1.2.3.  Shared library were not supported at that time in
upstream, and Debian introduce soname version 1 for librxp shared
library.

Now, upstream support shared library (as 0), and we have librxp0
and librxp-dev packages.

 -- NIIBE Yutaka <gniibe@fsij.org>, Wed, 12 May 2010 12:37:00 +0900