var io.ErrNoProgress

4 uses

	io (current package)
		io.go#L53: var ErrNoProgress = errors.New("multiple Read calls return no data or error")

	bufio
		bufio.go#L126: 	b.err = io.ErrNoProgress
		bufio.go#L812: 			return n, io.ErrNoProgress
		scan.go#L235: 				s.setErr(io.ErrNoProgress)

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)