Imports of package doc

PathSynopsis
cmpPackage cmp provides types and functions related to comparing ordered values.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go/astPackage ast declares the types used to represent syntax trees for Go packages.
go/doc/commentPackage comment implements parsing and reformatting of Go doc comments, (documentation comments), which are comments that immediately precede a top-level declaration of a package, const, func, type, or var.
go/tokenPackage token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).
internal/lazyregexpPackage lazyregexp is a thin wrapper over regexp, allowing the use of global regexp variables without forcing them to be compiled at init.
ioPackage io provides basic interfaces to I/O primitives.
pathPackage path implements utility routines for manipulating slash-separated paths.
slicesPackage slices defines various functions useful with slices of any type.
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
unicodePackage unicode provides data and functions to test some properties of Unicode code points.
unicode/utf8Package utf8 implements functions and constants to support text encoded in UTF-8.