pkg net/http/httputil, type ReverseProxy struct, ErrorLog *log.Logger

# CL 148370043 os, syscall: add Unsetenv, Brad Fitzpatrick <******@****.***>
pkg os, func Unsetenv(string) error
pkg syscall, func Unsetenv(string) error

# CL 144020043 reflect: add Type.Comparable, Russ Cox <******@****.***>
pkg reflect, type Type interface, Comparable() bool

pkg testing, method (*F) Helper()
pkg testing, method (*F) Log(...interface{})
pkg testing, method (*F) Logf(string, ...interface{})
pkg testing, method (*F) Name() string
pkg testing, method (*F) Setenv(string, string)
pkg testing, method (*F) Skip(...interface{})
pkg testing, method (*F) SkipNow()
pkg testing, method (*F) Skipf(string, ...interface{})
pkg testing, method (*F) Skipped() bool

pkg os, func Readlink(string) (string, error)
pkg os, func Remove(string) error
pkg os, func RemoveAll(string) error
pkg os, func Rename(string, string) error
pkg os, func SameFile(FileInfo, FileInfo) bool
pkg os, func Setenv(string, string) error
pkg os, func StartProcess(string, []string, *ProcAttr) (*Process, error)
pkg os, func Stat(string) (FileInfo, error)
pkg os, func Symlink(string, string) error
pkg os, func TempDir() string

pkg syscall (windows-amd64), type SysProcAttr struct, ParentProcess Handle
pkg testing, method (*B) Setenv(string, string)
pkg testing, method (*T) Setenv(string, string)
pkg testing, type TB interface, Setenv(string, string)
pkg text/template/parse, const SkipFuncCheck = 2
pkg text/template/parse, const SkipFuncCheck Mode
pkg time, const Layout = "01/02 03:04:05PM '06 -0700"