Package: gnome-doc-utils

"gnome-doc-utils" package binaries on CentOS:

/usr/bin/gnome-doc-prepare /usr/bin/gnome-doc-tool /usr/bin/xml2po

You may install this package on CentOS with yum install gnome-doc-utils

"gnome-doc-utils" package binaries on Debian:

/usr/bin/gnome-doc-prepare /usr/bin/gnome-doc-tool /usr/bin/xml2po

You may install this package on Debian with apt-get install gnome-doc-utils