text: package gifmeta
  
  var (
  	header          = []byte("GIF")
  	extension       = byte(0x21)
  	extensionToken  = []byte{extension}
  	trailer         = byte(0x3B)
  	imageDescriptor = byte(0x2C)
  	version87a      = []byte("87a")
  	version89a      = []byte("89a")
  )
  
  var (
  	discard = make([]byte, 2048)
  )
  