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Re: images in Docbook with Red Hat 6.2
Sam Roberts wrote:
>
> > I'm currently using the following approach:
> >
> > <graphic fileref="foo.&gif-eps;">
> >
> > stands for:
> > "use foo.gif when making HTML files, foo.eps when printing
> > to TeX."
> >
> > You can do create on the same model other entities like
> > &jpg-eps;. It's not perfect, but it's simple and works.
>
> I assume we're talking the same thing here,
Yes
> and that you
> use this technique only because you use BOTH gifs and
> jpegs in the same document when it's formatted as html?
Not necessarily in the same document. I'm using both gifs
and jpegs, but usually in different documents. Anyway, it
remains a problem if you hack the stylesheets.
What is really a problem is that the file extension depends
on the processing you apply to the document, while the
docbook file should remain a simple source. And since you
don't want to hack the document each time you use it
differently, the solution needs to simply work from the
command line. So I managed in a way that the only thing I
need is the following definition in some external file:
<!ENTITY % html "IGNORE">
<![%html; [
<!ENTITY % print "IGNORE">
<!ENTITY gif-eps "gif">
<!ENTITY jpg-eps "jpg">
<!ENTITY jpeg-eps "jpeg">
]]>
<!ENTITY % print "INCLUDE">
<![%print; [
<!ENTITY gif-eps "eps">
<!ENTITY jpg-eps "eps">
<!ENTITY jpeg-eps "eps">
]]>
The stylesheets solution could perfectly work if there was a
way to easily detect which extension(s) do exist for this
file from DSSSL.
--
Éric Bischoff - mailto:ebisch@cybercable.tm.fr
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