[ http://tools.oasis-open.org/issues/browse/OFFICE-2343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18224#action_18224 ]
Patrick Durusau commented on OFFICE-2343:
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The current text in my working draft:
Note: Using expressions that assume serial numbers are based on a particular epoch may cause interoperability issues.
Evaluators shall support positive serial numbers. Evaluators may support negative serial numbers to represent dates before an epoch.
Note: It is implementation specific if the year 1900 is treated as a leap year.
Note: Evaluators that treat 1900 as a non-leap year can use the epoch date 1899-12-30 to compensate for serial numbers that originate from evaluators that treat 1900 as a leap year and use 1899-12-31 as an epoch date.
I am not sure if the differences between that language and the proposed language requires any changes or can we close this issue?
> 3.3.3 Date and DateTime - 1900 as leap year
> --------------------------------------------
>
> Key: OFFICE-2343
> URL: http://tools.oasis-open.org/issues/browse/OFFICE-2343
> Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
> Issue Type: Bug
> Components: OpenFormula
> Affects Versions: ODF 1.2 Part 2 CD 1
> Reporter: Patrick Durusau
> Assignee: Michael Brauer
> Priority: Blocker
> Fix For: ODF 1.2 Part 2 CD 2
>
>
> Currently we say:
> ***
> Many applications cannot handle Date values before January 1, 1900. Some applications can handle dates for the years 1900 and on, but include a known defect: they incorrectly presume that 1900 was a leap year (1900 was not a leap year). Applications may reproduce the 1900-as-leap-year bug for compatibility purposes, but should not.
> ***
> Rob Weir suggests that we should not make editorial comments about bugs, compatibility, etc. I think that is a good point.
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