XML Namespace

Tim Bray tbray at textuality.com
Sun Aug 30 22:51:44 BST 1998

At 04:17 PM 8/30/98 -0400, Steve Dahl wrote:
>For example, if the file a.dtd declared one element ns:x, and the file
>b.dtd declared another element ns:x, how could I use both of them in the
>same document, without copying one of the DTDs and changing the prefixes
>in the copy?

The namespace draft clearly forbids mapping one namespace to two 
different prefixes.  So in the instance, you'd probably have to
change the ns:x to ns_2:x or something.  Which meant that if you
wanted to validate it against b.dtd, you'd have to change it
in b.dtd as well.  

BUT (and this is the hard part) you couldn't validate the merged
document against b.dtd anyhow because it won't know about the elements 
from a.dtd.  So you're going to have to figure out how to make
a merged dtd.  Which is hard.  But once you've figured that out,
fix up the namespace collisions while you're doing the merge. -Tim

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