[OASIS Issue Tracker] (OFFICE-4017) 19.521 style:volatile no default, what happens when missing?

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    [ https://issues.oasis-open.org/browse/OFFICE-4017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=72452#comment-72452 ] 

Regina Henschel commented on OFFICE-4017:
-----------------------------------------

My view:
If the attribute 'style:volatile' is missing, then a consumer does as it like. The spec uses "should" in both cases and "unused" is not clear anyway. There is no default value needed. The attribute 'style:volatile' is only a kindly hint for the consumer, what to do. It might be easier for a consumer to hold a list of all read number styles, than cleaning up the list after entire file has been read and parsed.

LibreOffice writes 'style:volatile="true"' to a number style A, if it is referenced by a <style:map> element inside a conditional number style B. In that case, only the number style B is referenced by 'style:data-style-name' attributes. So number style A seems "unused" in the sense, that it is not referenced by a 'style:data-style-name' attribute. However it is needed for correct display.

> 19.521 style:volatile no default, what happens when missing?
> ------------------------------------------------------------
>
>                 Key: OFFICE-4017
>                 URL: https://issues.oasis-open.org/browse/OFFICE-4017
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>    Affects Versions: ODF 1.3
>            Reporter: Patrick Durusau
>            Priority: Major
>
> 19.521 style:volatile is option but doesn't have a default value. What happens if it is missing?



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