RE: Basic DITA question

Subject: RE: Basic DITA question
From: "Fred Ridder" <docudoc -at- hotmail -dot- com>
To: jopakent -at- comcast -dot- net
Date: Thu, 15 Mar 2007 18:41:05 -0400

Right. What Chris said.
Specifically, this public identifier names the English (//EN) version
of the DITA Concept DTD, as maintained by the Organization
for the Advancement of Structured Information Standards, the
standards body for most things SGML and XML, including the
DITA and DocBook DTDs. If you have never visited their website
(, do yourself a favor and spend
some time there before you waste a huge amount of time
fiddling around on your own.

From: "Chris Vickery" <cvickery -at- arenasolutions -dot- com>
To: <jopakent -at- comcast -dot- net>,<techwr-l -at- lists -dot- techwr-l -dot- com>
Subject: RE: Basic DITA question
Date: Thu, 15 Mar 2007 13:48:16 -0700

"-//OASIS//DTD DITA CONCEPT//EN" is a public identifier that names the
public standard version of the dtd used by your document-this dtd is
publically available at "concept.dtd" is the system
identifier that the document will look for on your system. It resolves
to the local version of the dtd with the same name.

You don't need to change any directory names.


-----Original Message-----
From: techwr-l-bounces+cvickery=arenasolutions -dot- com -at- lists -dot- techwr-l -dot- com
[mailto:techwr-l-bounces+cvickery=arenasolutions -dot- com -at- lists -dot- techwr-l -dot- com]
On Behalf Of jopakent -at- comcast -dot- net
Sent: Thursday, March 15, 2007 11:56 AM
To: techwr-l -at- lists -dot- techwr-l -dot- com
Subject: Basic DITA question

downloaded and installed the DITA Toolkit and I'm trying to work
through the exercises in the book "Introduction to DITA: A user Guide to
the Darwin Information and Typing Architecture." (J Linton & K Bruski,
2006 ) I'm running into a conceptual difficulty.

Lesson one has me creating a concept topic. I am a little puzzled by how
the validation process reads this header. That is, how does the
following line get resolved:


What does "-//OASIS//DTD DITA CONCEPT//EN" mean?

I installed the DITA Toolkit last August (thanks again to Kylene
Bruski), but there is no OASIS directory on my computer. I searched for
dtds on my machine and found a bunch in directories located under
C:\Ditaot and C:\ditaot_new.

I think my question boils down to "where" (or maybe "what") //OASIS//
is. Is this a "place" that exists out on the internet somewhere and my
browser will just find it when my machine tries to validate a document
that uses this header? Or, is it that I need to rename the Ditaot
directory to OASIS so that my machine will be able to find what it needs
so that it can validate documents that use this header?

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