🚀 go-pugleaf

Lately I've been reading much about SGML, but I couldn't find
a definite answer to this question :
Is it, or is it not 'against the intentions of SGML' to include section
numbers, figure numbers a.s.o. in titles and in the text ?

Is it correct, for instance, to write :

<chap><chtitle>1. The history of Belgium</chtitle>  .......... </chap>
or
<figcap>figure 4. sales figures of september</figcap>
or
<p> .... see also section 5.3, definitions .....  </p>

From the beginning I believed this is not correct, because the way of
numbering (and the way of referencing) sections, figures, chapters a.s.o.
merely is a matter of appereance of the document. Nevertheless, numbering
sections and chapters is frequently done.
The definition of a chapter in de book DTD of AAP is :
chapternumber? , chaptertitel, {rest of chapter}
=============
B
Am I wrong ? Is AAP right ? Is anybody wrong or right ?

What is YOUR opinion?  Who can give the final answer to this question ?
Any reactions are welcome! Tia           
                                             Ruud.
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Ruud Grosmann: TNO - IBBC                    INTERNET : rg@tnoibbc
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