Juerd Waalboer 32e84f3725 Fix that 'changed' would return true just because the attribute existed :) ... Another option would have been to implement 'delete_attribute'.		2019-11-06 17:43:31 +01:00
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RevBank	Fix that 'changed' would return true just because the attribute existed :)	2019-11-06 17:43:31 +01:00