It reads as follows, which should be deleted as it's now not allowed:
[...] It also allows a compact IRI (or even an absolute IRI) to be defined as something else entirely. For example, one could specify that the term http://example.org/zoo should expand to http://example.org/river, but this usage is discouraged because it would lead to a great deal of confusion among developers attempting to understand the JSON-LD document.
It reads as follows, which should be deleted as it's now not allowed: