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Subject: DOCBOOK: Working with XInclude / xml:base / libxml v2.4.24 and above


Hi

I have just come across the same issue as a few other people,
having upgraded to libxml v2.4.24.  Apparently, this introduced
support for xml:base, yet this is not supported by the
DocBook XML DTD v4.2.  So, I now get lots of errors of the form:

"No declaration for attribute base of element foo"

The following links have some of the discussion:

http://mail.gnome.org/archives/xml/2002-September/msg00131.html
http://mail.gnome.org/archives/xml/2002-September/msg00132.html

From the minutes at:

http://lists.oasis-open.org/archives/docbook-tc/200211/msg00012.html

and some of the accompanying discussion, it sounds as though the
plan is to add support for xml:base in a future release of the DTD.

(NB I already use xmllint --postvalid; this seems to be a separate issue.)

In the meantime, some options are:
a) Stop using XInclude.
b) Do not upgrade past libxml v2.4.23.
c) I gather that if all the source files are in the same directory,
then there is a workaround.  Not sure about this aspect.

However, none of these options is very attractive.

Is there a better workaround?  We make extremely heavy use of XInclude,
so this is a significant issue.

Apologies if I have misunderstood the situation.

Regards
Kevin
+ANYTHING+BELOW+WAS+ADDED+AFTER+I+HIT+SEND+

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