On Wed, Mar 29, 2006 at 06:01:17PM +0100, Paul Moloney wrote:
> As mentioned in this query to the docbook-apps
> list
> (http://www.oasis-open.org/archives/docbook-apps/200501/msg00090.html),
> XMLMind rewrites entities (on a tangent, I'm just curious as to why it
> does this?). This leaves me with the problem of how to have productnames,
> etc, being defined across custom documentation (each custom book
> has its own book file, but shares chapter files).
>
> The suggested workarounds seem to be to make the stylesheet
> select the required product name, etc, but I hate this, as it
> breaks the rule of seperating content from style - I really don't
> want people having to edit stylesheets to add new product names.
>
> Does anyone have an elegant solution to this problem?
I like Norman Walsh's solution, called `ml-macro.xsl`[0], which uses
processing instructions to define macros. Unfortunately, it requires
that the macro definition PIs be located before the root element in the
document, and XXE does not allow direct manual editing of content
outside the root element. I believe that you can still write custom
commands to add processing instructions to a document being edited in
XMLmind, though. I've been meaning to experiment with this, but haven't
yet had a chance to do so. It might actually be beneficial to not be
able to edit these PIs directly, because they need to have a specific
format which you could control more easily with a specific UI. Another
alternative is to extend the ml-macro concept slightly to have it search
for macro definition PIs anywhere in the document.
The other thing about Norm's solution is that his macro processor is
written in XSLT 2. I ported it to XSLT 1+EXSLT[1]; I don't know how
much support for EXSLT XXE's built-in XSLT processor has. I need to
experiment with this as well. I also posted some macro files
corresponding to the common character entities[2].
Take care,
John L. Clark
[0] http://norman.walsh.name/2006/01/06/doctype
[1] http://infinitesque.net/articles/2006/doctype-xslt1/index.xhtml
[2] http://infinitesque.net/articles/2006/doctype-xslt1/entities.xhtml
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