The patterns used by [ServeMux] allow multiple spaces matching

pkg go/ast, type SelectorExpr struct
pkg go/ast, type SelectorExpr struct, Sel *Ident
pkg go/ast, type SelectorExpr struct, X Expr
pkg go/ast, type SendStmt struct
pkg go/ast, type SendStmt struct, Arrow token.Pos
pkg go/ast, type SendStmt struct, Chan Expr
pkg go/ast, type SendStmt struct, Value Expr
pkg go/ast, type SliceExpr struct
pkg go/ast, type SliceExpr struct, High Expr

pkg go/ast, method (CommentMap) Filter(Node) CommentMap
pkg go/ast, method (CommentMap) String() string
pkg go/ast, method (CommentMap) Update(Node, Node) Node
pkg go/ast, type ChanType struct, Arrow token.Pos
pkg go/ast, type CommentMap map[Node][]*CommentGroup
pkg go/build, const AllowBinary = 2
pkg go/build, const FindOnly = 1
pkg go/build, type Context struct, InstallSuffix string

# CL 134210043 archive/zip: add Writer.Flush, Brad Fitzpatrick <******@****.***>
pkg archive/zip, method (*Writer) Flush() error

# CL 97140043 compress/flate: add Reset() to allow reusing large buffers to compress multiple buffers, James Robinson <******@****.***>
pkg compress/flate, type Resetter interface { Reset }
pkg compress/flate, type Resetter interface, Reset(io.Reader, []uint8) error
pkg compress/zlib, type Resetter interface { Reset }