Re: Including source files

[Norman Walsh <norm@xxxxxxxxxxxxx>]

"Thomas G. Lockhart" <lockhart@xxxxxxxxxxxxxxxxxx> writes:

> > > 1) Is it possible to "include" source files from another source file
> > > which has itself been included?
> >
> > Yes, you can include entities inside other entities.
> 
> Uh, how? I'm sure I've got the syntax wrong, but could use an example:

Ahh, you have to define all the entities at some top level, then you
can use entity references to do the includes.

a.sgm:
<!doctype book public "..." [
<!entity b system "b.sgm">
<!entity c system "c.sgm">
<!entity d system "d.sgm">
]>
<book>
&b;
</book>

b.sgm:
<chapter><title>whatever</title>
&d;
</chapter>

c.sgm:
<appendix><title>whatever</title>
&d;
</appendix>

Is that clear(er)?

--norm


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