I note that this is the same workflow as for making a modified copy of some content on a wiki. (And when a page is read-only on MediaWiki, "edit" becomes labele

I note that this is the same workflow as for making a modified copy of some content on a wiki. (And when a page is read-only on MediaWiki, "edit" becomes labeled "view source", but it's the same thing.) Is there a UI solution for this problem in general?