The answer is:
The Grimms embellished stories with more details in their final editions.
According to the excerpt from "How the Grimm Brothers Saved the Fairy Tale," the author directs attention to the fact that the Grimm brothers enhanced, developed and expanded their stories in later later editions rather than the first. For example, he mentions how "Rapunzel" improved and became more refined from the first to the seventh edition.
The pharse "HIC IACET ARTHURUS, REX QUONDAM REXQUE FUTURUS" from <u>"</u><u><em>The once and future king by T.H White" </em></u> <u>means: "Here lies Arthur, king once, king to be".</u>
It was a tomb inscription which promised that even Author was dead, he was going to return one day.
They are the children of an idle brain.
~
So they are the creation of fantasy when you are bored
