[sc34wg3] TMCL: Item Identifier constraint?

Lars Heuer heuer at semagia.com
Thu Oct 22 10:39:18 EDT 2009

Hi all,

We have Subject Identifier and Subject Locator constraint, but no Item
Identifier constraint. Wouldn't this useful in some situations? I.e.
constraining that the 'source' of the topic map must start with

BTW: If we'd be able to constrain item identifiers, the mentioned XTM
2.0 issues become more important.

Best regards,

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