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Subject: Possible slight inconsistency in spec
Reading through spec-2001-05-25, I noticed the following ==== .... If system identifiers are preferred, a system identifier was provided, and there is no matching system type entry, then the system identifier is used as the URI regardless of any public identifier. This Standard does not specify what happens if a preferred system identifier does not identify an accessible storage object; an application may look up the public identifier and/or entity name to find another URI, or it may simply report an error. An application should at least have the option of issuing a warning if the system identifier fails in this mode. .... ==== and then shortly afterwards ==== .... A public or delegatePublic entry encountered when prefer is "system" will be ignored during lookups for which the external identifier has an explicit system identifier. No other entry types are affected by the prefer attribute. The initial search strategy in force at the beginning of each catalog entry file depends on the preference as determined by the application. .... ==== The former paragraph suggests that public identifiers can be used if system identifiers fail, while the second paragraph could be construed as implicitly suggesting that "public" entries must be ignored when a system identifier has been specified. To me, this seems to be a minor inconsistency. Does anyone else agree? Worth changing to mention that the latter paragraph applies when the system identifier is valid? Cheers, Tony. ======== Anthony B. Coates Leader of XML Architecture & Design Chief Technology Office Reuters Plc, London. tony.coates@reuters.com ======== ----------------------------------------------------------------- Visit our Internet site at http://www.reuters.com Any views expressed in this message are those of the individual sender, except where the sender specifically states them to be the views of Reuters Ltd.
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