
It is not possible, in this section, to cover every aspect of DTD design. Books
have been devoted to that topic. Use this section as guidance and remember
that practice makes proficient.
Yet, I would like to open this section with a plea to use existing DTDs when
possible. Next, I will move into two examples of the practical design of prac-
tically designing DTDs.
Main Advantages of Using Existing DTDs
There are many XML DTDs available already and it seems more are being
made available every day. With so many DTDs, you might wonder whether
it’s worth designing your own.
I would argue that, as much as possible, you should try to reuse existing
DTDs. Reusing ...