Category:Articles with incomplete date ranges for automatic metadata

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This category tracks date range errors in articles that use infoboxes, which use {{Infobox date field metadata}} to automatically detect dates and emit metadata from appropriate fields. Articles will be added to this category if they contain date ranges such as 'May 2 – June 17' or '4–17 October', where the period is not specific enough (year missing) and thus the emitted metadata would be ambiguous. This should only be enabled for non-recurring events.