> during the last build filelight on Debian 8 (Jessie), I came across a serious 
> problem with Docbook - catalogs in SGML format is no longer supported. So I 
> prepared a XML version of catalogs. Please, before I'll push the patch, test 
> it on other distributions.
> 
> See bug 2077:
> http://bugs.trinitydesktop.org/show_bug.cgi?id=2077

Do you mean the docbook tool chain no longer supports sgml?

Darrell