[OASIS Issue Tracker] (EMERGENCY-94) TEP 1.1 - TAB-1313: Conflicting definitions of "REQUIRED"

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    [ https://issues.oasis-open.org/browse/EMERGENCY-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61401#comment-61401 ] 

Patti Aymond commented on EMERGENCY-94:
---------------------------------------

Reporter: Patrick Durusau

> TEP 1.1 - TAB-1313: Conflicting definitions of "REQUIRED"
> ---------------------------------------------------------
>
>                 Key: EMERGENCY-94
>                 URL: https://issues.oasis-open.org/browse/EMERGENCY-94
>             Project: OASIS Emergency Management TC
>          Issue Type: Bug
>          Components: TEP
>         Environment: Normative
>            Reporter: Patti Aymond
>            Assignee: Patti Aymond
>            Priority: Critical
>
> 1.4 Terminology reads in part: 
> ***** 
> The term “REQUIRED” means that empty elements or NULL values are NOT allowed. 
> ***** 
> The draft cites RFC 2119, which defines "REQUIRED" under: 
> ***** 
> 1. MUST This word, or the terms "REQUIRED" or "SHALL", mean that the definition is an absolute requirement of the specification. 
> ***** 
> That definition doesn't apply to empty elements or NULL values. 
> After citing RFC2119, the draft defines "REQUIRED" to disallow empty elements or NULL values. 
> Those two definitions are at odds with one another. The first is for conformance and the second is for markup. 
> TEPMessage reads in part: 
> Usage 
> ***** 
> REQUIRED; MUST be used once and only once 
> ***** 
> I don't see what REQUIRED is adding to the "MUST" ? 
> The vast majority of the REQUIRED instances read as messageID does in part: 
> ***** 
> Usage REQUIRED; MUST be used once and only once [1..1] 
> ***** 
> So if you are going to use markup constraints [1...1] why do you need the REQUIRED? 
> There are forty-three (43) cases and I think I have checked all of them. The secondary use of REQUIRED conflicts with RFC2119 and is redundant as far as I can see.



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