Solute the problems by yourself from primary sources

The Debian site at http://www.debian.org for the general information

The documentation under the "/usr/share/doc/<package_name>" directory

The Unix style manpage: "dpkg -L <package_name> |grep '/man/man.*/'"

The GNU style info page: "dpkg -L <package_name> |grep '/info/'"

The bug report: http://bugs.debian.org/<package_name>

The Debian Wiki at http://wiki.debian.org/ for the moving and specific topics

The HOWTOs from The Linux Documentation Project (TLDP) at http://tldp.org/

The Single UNIX Specification from the Open Group's The UNIX System Home Page at http://www.unix.org/

The free encyclopedia from Wikipedia at http://www.wikipedia.org/