This file contains no explicit license. And no explicit copyright attribution.
The snippet is part of auto generated docbook files.

Notes for using docbook2x: docbook2x-man does not automatically create the
AUTHOR(S) and COPYRIGHT sections. In this case, please add them manually as
<refsect1> ... </refsect1>.

To disable the automatic creation of the AUTHOR(S) and COPYRIGHT sections
read /usr/share/doc/docbook-xsl/doc/manpages/authors.html. This file can be
found in the docbook-xsl-doc-html package.

