Imports of langs command

PathSynopsis
bytesPackage bytes implements functions for the manipulation of byte slices.
encoding/binaryPackage binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/benoitkugler/textlayout/language
golang.org/x/net/htmlPackage html implements an HTML5-compliant tokenizer and parser.
golang.org/x/net/html/atomPackage atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".
golang.org/x/text/unicode/normPackage norm contains types and functions for normalizing Unicode strings.
ioPackage io provides basic interfaces to I/O primitives.
io/ioutilPackage ioutil implements some I/O utility functions.
logPackage log implements a simple logging package.
net/httpPackage http provides HTTP client and server implementations.
osPackage os provides a platform-independent interface to operating system functionality.
os/execPackage exec runs external commands.
regexpPackage regexp implements regular expression search.
sortPackage sort provides primitives for sorting slices and user-defined collections.
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.