Package gnome-doc-utils

Documentation utilities for GNOME

https://wiki.gnome.org/Projects/GnomeDocUtils

gnome-doc-utils is a collection of documentation utilities for the GNOME
project. Notably, it contains utilities for building documentation and
all auxiliary files in your source tree.

General Commands

xml2po program to create a PO-template file from a DocBook XML file and merge it back into a (translated) XML file