"500": {"description": "Server error level 0"},
                        "501": {"description": "Server error level 1"},
                        "502": {"description": "Server error level 2"},
                        "503": {"description": "Server error level 3"},
                        "504": {"description": "Server error level 4"},
                        "505": {"description": "Server error level 5"},
                    },

octal_digit   = "0" … "7" .
hex_digit     = "0" … "9" | "A" … "F" | "a" … "f" .
</pre>

<h2 id="Lexical_elements">Lexical elements</h2>

<h3 id="Comments">Comments</h3>

<p>
Comments serve as program documentation. There are two forms:
</p>

<ol>
<li>
<i>Line comments</i> start with the character sequence <code>//</code>
and stop at the end of the line.
</li>
<li>

pkg net/http, method (Header) Clone() Header
pkg net/http, method (*Request) Clone(context.Context) *Request
pkg net/http, method (*Transport) Clone() *Transport
pkg net/http, type Server struct, BaseContext func(net.Listener) context.Context
pkg net/http, type Server struct, ConnContext func(context.Context, net.Conn) context.Context
pkg net/http, type Transport struct, ForceAttemptHTTP2 bool
pkg net/http, type Transport struct, ReadBufferSize int