pkg testing, type T struct
pkg testing/iotest, func DataErrReader(io.Reader) io.Reader
pkg testing/iotest, func HalfReader(io.Reader) io.Reader
pkg testing/iotest, func NewReadLogger(string, io.Reader) io.Reader
pkg testing/iotest, func NewWriteLogger(string, io.Writer) io.Writer
pkg testing/iotest, func OneByteReader(io.Reader) io.Reader
pkg testing/iotest, func TimeoutReader(io.Reader) io.Reader

pkg encoding/json, type Number string
pkg encoding/xml, const Header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
pkg encoding/xml, func EscapeText(io.Writer, []uint8) error
pkg encoding/xml, method (*Encoder) Indent(string, string)
pkg encoding/xml, type Decoder struct, DefaultSpace string
pkg flag, const ContinueOnError = 0
pkg flag, const ExitOnError = 1
pkg flag, const PanicOnError = 2
pkg go/ast, const Bad = 0