On Monday 21 of July 2014 03:35:15 Michele Calgaro wrote:
> > So far I did not inquire about the details of what is happening in
> > docbook tool chain, but I have prepared catalogs in XML format.
>
> Hi Slavek,
> I will try to take a look at this problem as well, but will probably be
> over the weekend. It seems strange they decided to drop SGML. Are you
> experiencing the problem only in filelight?
>
> Cheers
>   Michele
>

It certainly is not a problem specific to Filelight. I tried to rebuild 
tdelibs without proposed patch:

[ 64%] Generating index.cache.bz2
cd "/tmp/buildd/tdelibs-trinity-14.0.0-s~811/obj-x86_64-linux-gnu/doc/tdespell" 
&& ../../kdoctools/meinproc --srcdir=/tmp/buildd/tdelibs-trinity-14.0.0-s~811/kdoctools --check --cache 
index.cache.bz2 /tmp/buildd/tdelibs-trinity-14.0.0-s~811/doc/tdespell/index.docbook
/tmp/buildd/tdelibs-trinity-14.0.0-s~811/kdoctools/customization/catalog:1: 
parser error : Start tag expected, '<' not found
--
^
/tmp/buildd/tdelibs-trinity-14.0.0-s~811/kdoctools/docbook/xml-dtd-4.1.2/docbook.cat:1: 
parser error : Start tag expected, '<' not found
  -- ...................................................................... --
  ^
index.docbook:6: warning: failed to load external entity "dtd/kdex.dtd"
]>
  ^
index.docbook:8: parser error : Entity 'language' not defined
<book lang="&language;">
                      ^
index.docbook:8: element book: validity error : No declaration for attribute 
lang of element book
<book lang="&language;">
                       ^

-- 
Slavek