"Does this mean that it's enforced internally th..."

Each question has an alias associated with it\. This alias only has meaning inside this page\. \(There is no overlap with page object aliases from other pages\.\) If you change the question significantly, please change the alias too\. This will reset the user's answer\.

Does this mean that it's enforced internally that the same alias can not be a page alias and a question alias, or just that the two kinds of aliases are not related to each other?