The upstream author of Namazu is thinking about the gettext extension. For further information about Namazu, please visit the below. Testing and suggestion of modification is followed by ukai and sano. We appreciate Fabrizio's effort very much. Thanks to him.
Some people follows.
Installer is necessary for beginners. We should work on this more. Maybe some discussion is continued to implement this. But we believe the translated manpages are important to support users who can not read English well. Non-Debian developer of Debian JP member has no way to ITP to Debian.