[OASIS Issue Tracker] Commented: (ODATA-555) Clarify whether or not system query options can be used more than once in a URL

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    [ http://tools.oasis-open.org/issues/browse/ODATA-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35813#action_35813 ] 

Ralf Handl commented on ODATA-555:
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I'd also restrict custom query options to appear only once per request URL as this makes life easier for implementers of client libraries

> Clarify whether or not system query options can be used more than once in a URL
> -------------------------------------------------------------------------------
>
>                 Key: ODATA-555
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-555
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Bug
>          Components: OData Protocol , OData URL Conventions 
>    Affects Versions: V4.0_CSD03
>         Environment: [Applied]
>            Reporter: Matthew Borges
>            Assignee: Martin Zurmuehl
>             Fix For: V4.0_CS02
>
>
> The ABNF allows system query options to be used more than once (not nested in an $expand), but none of the documents restrict this or provide an explanation of what the behavior would be when the same system query option is used more than once in the same URL.

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