const github.com/klauspost/compress/gzip.gzipID1

3 uses

	github.com/klauspost/compress/gzip (current package)
		gunzip.go#L21: 	gzipID1     = 0x1f
		gunzip.go#L194: 	if z.buf[0] != gzipID1 || z.buf[1] != gzipID2 || z.buf[2] != gzipDeflate {
		gzip.go#L179: 		z.buf[0] = gzipID1