[OASIS Issue Tracker] Updated: (ODATA-127) Whitespace in URLs must be percent-encoded

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     [ http://tools.oasis-open.org/issues/browse/ODATA-127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ralf Handl updated ODATA-127:
-----------------------------

    Proposal: 
Restrict whitespace in URLs to the absolute minimum (e.g. exactly one between property name and asc/desc in $orderby, exactly one around operators in $filter expressions, none around commas and parentheses, ...).

(
Use peWS = "%20" / "%09" in all URL-relevant rules.

XOR

Follow the proposal in ODATA-137 and require URI query parts to be partially percent-decoded before applying the grammar rules.
)

  was:
Use

   peWS = "%20" / "%09"

in all URL-relevant rules.

Restrict whitespace in URLs to the absolute minimum (e.g. exactly one between property name and asc/desc in $orderby, exactly one around operators in $filter expressions, none around commas and parentheses, ...).


> Whitespace in URLs must be percent-encoded
> ------------------------------------------
>
>                 Key: ODATA-127
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-127
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Bug
>          Components: OData ABNF Construction Rules v1.0
>    Affects Versions: WD01
>         Environment: [Proposed]
>            Reporter: Ralf Handl
>            Assignee: Ralf Handl
>            Priority: Minor
>             Fix For: WD01
>
>
> Some ABNF construction rules for URL constituents allow whitespace, e.g. rules contributing to the $filter system query option. Currently these rules use the WSP sub-rule which allows the space and horizontal-tab character. These characters are not allowed in URLs and must be percent-encoded.
> So we need to either
> - redefine the whitespace rule to 
>      WSP = "%20" / "%09"
> or
> - define a rule for precent-encoded whitespace 
>     peWS = "%20" / "%09"
>   and use it in URL-relevant rules.
> The latter approach is more explicit and less misleading as the current definition of WSP is a widely used convention

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