[OASIS Issue Tracker] Commented: (OFFICE-3740) 4.8.14.2 ODF 1.2 Requiring <manifest:manifest> manifest:version breaks downlevel and early 1.2 implementations

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    [ http://tools.oasis-open.org/issues/browse/OFFICE-3740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=29283#action_29283 ] 

Dennis Hamilton commented on OFFICE-3740:
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@Svante - The statement in all ODF specifications is about foreign elements not being allowed to use the ODF-specified namespaces.  So if one sees an unexpected use of an ODF-specified namespace, it is not a case of a foreign element (which may be ignored in various ways).  But, at the same time, there is no requirement to accept any construct that is not provided for in the schema defined for the given version of ODF.

There is no wording anywhere about future versions of OpenDocument schema and the suggested addition does not appear to have any normative value.  If it is added, I suggest ODF 1.2 Errata 01, not ODF 1.1 Errata 01.

By the way, we are proposing to repair by errata a schema defect that has been in the ODF specification from ODF 1.0 through ODF 1.1 and also the ISO/IEC 26300 specification since its initial version.   While that is likely to be safe, it is certainly a retroactive repair.

> 4.8.14.2 ODF 1.2 Requiring <manifest:manifest> manifest:version breaks downlevel and early 1.2 implementations
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: OFFICE-3740
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-3740
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>    Affects Versions: ODF 1.2
>         Environment: This defect applies to ODF 1.2 Part 3 since Committee Specification 01.
>            Reporter: Dennis Hamilton
>             Fix For: ODF 1.2 Errata 01
>
>
> In ODF 1.2-3 4.8.14.2, the manifest:version="1.2" attribute is mandatory on <manifest:manifest> elements.  This attribute provision was introduced in ODF 1.2.  There were no manifest:version attributes for the <manifest:manifest> attribute in ODF 1.0 and ODF 1.1.
> The presence of this attribute prevents ODF 1.1 and earlier implementations that expect strict honoring of older <manifest:manifest> schemas from accepting ODF 1.2 documents for potential down-level acceptability.
> In addition, documents identified as ODF 1.2 documents produced before the provision was added to the ODF 1.2 specification will now be declared as non-conforming by document validators.
> The Catch 22 consists of the fact that expecting the attribute will invalidate previous documents that were identified as ODF 1.2 documents and that producing the attribute will cause error messages (at least) in down-level use of documents that may well have no specific dependency on material ODF 1.2 provisions whatsoever. 
> The provision is too brittle and causes more problems without solving very many.

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