That is real affection, to make sure my child gets back to Godhead, that is my real responsibility as a parent. And I have seen that Gurukula offers this opportunity more than any other place anywhere: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.