Hi Kate,
Am Montag 09 März 2009 21:06:50 schrieb [email protected]:
>
> I'm trying to upgrade our Docbook 4.2 DTD to Docbook 5 RNC.
>
> In our version 4.2 DTD we included an external entity file that listed
> the conditions that we used for condition attribute. Is there a way to
> link/include external files with the docbook 5 RNC?
>
> For example, is it possible to have a file (eg., myconditions.ent) that
> defines an attribute such as (e.g,. db.iaconditions12.attributte) that
> can be used in the definition of db.condition.attribute?
Maybe it's nitpicking, but I wouldn't say "entity file". IMHO what you do is
customizing DocBook, so it's a customization layer or file. At least that's
what I've learned from the experts.
Just to make it precise, otherwise it raises false expectations. :)
> e.g., File myconditions.ent
> db.myondition12.attribute =
>
> ## provides a standard place for application-specific effectivity
> attribute mycondition12 {"asajtools"
^^^^^^^^^^^^^^^^^^^^^^^
Remove the attribute keyword and its name. See also result below.
> |"dbadmin"
> |"mobilink"
> |"programming"
> |"sqlref"
> |"sqlug"
> |"uldotnet"
> |"ulfoundations"
> |"rsguide"}
>
> E.g., I'd like to do something like the following in the Docbook 5
> customization file:
> db.condition.attribute =
> ## provides a standard place for application-specific effectivity
> attribute condition {mycondition12}
>
> If this is possible, how should I reference the myconditions.ent file in
> the Docbook 5 RNC?
The other way around: you insert a reference to DocBook 5 into your
customization file. You load your DocBook 5 Schema into your file and
overwrite some patterns, or define new ones.
To avoid misleading namings, I would rename your file to myconditions.rnc as
it is a RNC file. The extention ".ent" symbolizes it has something to do with
entity declarations which is not the case. I also try to use some DocBook 5
conventions. The result looks like this (tested in oXygen):
----[ myconditions.rnc ]-----
# perhaps other namespace declarations
db.mycondition12.enumeratation =
## provides a standard place for application-specific effectivity
"asajtools"|
"dbadmin"|
"mobilink"|
"programming"|
"sqlref"|
"sqlug"|
"uldotnet"|
"ulfoundations"|
"rsguide"
include "docbook.rnc" {
db.condition.attribute =
## provides a standard place for application-specific effectivity
attribute condition { db.mycondition12.enumeratation }
}
-----------------------------
> And do I need to include a namespace reference in the myconditions.ent
> file?
You can, but in the above file it is not necessary. For more information about
customizing DocBook 5, have a look at [1].
Hope that helps,
Tom
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[1] http://www.docbook.org/tdg5/en/html/ch05.html
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