Trying to use XML, docbook and validating

[Hoehle, Joerg-C. <Joe...@t-...>]

Hi,

I installed a couple more packages (sgml-tools & more) from suse-Linux 8.1
I want to validate the XML documentation, as Sam asked me to do.

Could somebody please explain me how to deal with

doc> nsgmls -E10 -s -wxml impnotes.xml
nsgmls:/usr/share/sgml/db42xml/docbookx.dtd:112:15:W: named character reference
nsgmls:/usr/share/sgml/db42xml/docbookx.dtd:112:17:E: "X20AC" is not a function name
nsgmls:/usr/share/sgml/db42xml/ent/iso-amsa.ent:8:17:W: named character reference
nsgmls:/usr/share/sgml/db42xml/ent/iso-amsa.ent:8:19:E: "X21B6" is not a function name

My impnotes.xml says:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
          "/usr/share/sgml/db42xml/docbookx.dtd" [

Nothing changes when I say
doc> nsgmls -E10 -s -wxml -c /usr/share/sgml/CATALOG.db42xml impnotes.xml
nsgmls:/usr/share/sgml/db42xml/docbookx.dtd:112:15:W: named character reference
nsgmls:/usr/share/sgml/db42xml/docbookx.dtd:112:17:E: "X20AC" is not a function name
[...]

The first error (line 112) is about:
<![%xml.features;[
<!ENTITY euro "&#x20AC;"><!-- euro sign, U+20AC NEW -->
]]>

Any ideas?

Where's the nsgmls documentation?

1000 similar errors later, it then complains
nsgmls:/usr/share/sgml/db42xml/dbpoolx.mod:790:39:E: omitted tag minimization parameter can be omitted only if "OMITTAG NO" is specified on the SGML declaration
nsgmls:/usr/share/sgml/db42xml/dbpoolx.mod:811:45:E: omitted tag minimization parameter can be omitted only if "OMITTAG NO" is specified on the SGML declaration
about
<!ELEMENT title %ho; (%title.char.mix;)*>

Then it gets to impnotes...
nsgmls:impnotes.xml:39:52:E: character data is not allowed here
nsgmls:impbody.xml:1506:72:E: character data is not allowed here
nsgmls:impbody.xml:1568:21:E: document type does not allow element "ENTRY" here
[10 times more for the same line omitted]
nsgmls:impbody.xml:1568:21:E: document type does not allow element "ENTRY" here
nsgmls:impbody.xml:1568:21:E: end tag for "ENTRY" omitted, but its declaration does not permit this
nsgmls:impbody.xml:1568:21: start tag was here

A couple hundred more complaints about ENTRY follow for impbody, impext and impbyte.xml.

Maybe it does not like <entry/> (among others?).

Among the above errors, there's one erlative to ENTRY:
calstblx.dtd:181:<!ELEMENT entry %ho; (%tbl.entry.mdl;)*>
calstblx.dtd:183:<!ATTLIST entry
nsgmls:/usr/share/sgml/db42xml/calstblx.dtd:181:38:E: omitted tag minimization parameter can be omitted only if "OMITTAG NO" is specified on the SGML declaration


BTW, how to get Emacs psgml mode to handle the multi-file XML impnotes? Moving inside impnotes.xml Emacs seems happy, but in e.g. impbody.xml it is not, and can't figure out the DTD. I tried setting sgml-default-document-name to no avail (what should it be?).

The top entry in db42xml/ChangeLog says:
2002-07-17  Norman Walsh <nw...@us...>

        * calstblx.dtd, catalog.xml, dbcentx.mod, dbgenent.mod, dbhierx.mod, dbnotnx.mod, dbpoolx.mod, docbook.cat, docbookx.dtd:
        DocBook XML V4.2 released


Thanks for your help,
	Jorg Hohle.