Eike Rathke dca69d5bb2 renamed Date::IsValid() to IsValidAndGregorian() to prevent misassumptions ... Once smaller than 1582-10-15 decrementing a Date will not produce a valid date.		2011-11-30 02:05:22 +01:00
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core
filter
helper
ui	renamed Date::IsValid() to IsValidAndGregorian() to prevent misassumptions	2011-11-30 02:05:22 +01:00