[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=29260#action_29260 ] 

Andreas Guelzow  commented on OFFICE-3740:
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Until very recently I did not know that there were suggestions to change the approved ODF 1.2 standard. As I stated above the claim that  "Changing the attribute to optional will not prevent you from continuing to produce it." is nonsense. We create it because it is required and so have to accept the warnings raised by some other applications. We obviously would have avoided using it if we had the option (as we did for example with respect to the column/row grouping when Excel did not want to read them correctly.) _But it is too late for that now. _

I did not say anything about "mandatory set of agreed error values" but "the way error values are being stored". See part 2 4.6 Error "In an OpenDocument document, if an error value is the result of a cell computation it shall be stored as if it was a string. That is, the office:value-type of an error value is string; if the computed value is stored, it is stored in the attribute office:string-value." and compare https://issues.apache.org/ooo/show_bug.cgi?id=102958 and https://bugs.freedesktop.org/show_bug.cgi?id=37993


> 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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