pkg math/big, method (*Rat) SetUint64(uint64) *Rat
pkg net/http, const SameSiteNoneMode = 4
pkg net/http, const SameSiteNoneMode SameSite
pkg net/http, const StatusEarlyHints = 103
pkg net/http, const StatusEarlyHints ideal-int
pkg net/http, func NewRequestWithContext(context.Context, string, string, io.Reader) (*Request, error)
pkg net/http, method (Header) Clone() Header
pkg net/http, method (*Request) Clone(context.Context) *Request

pkg net/http, var ErrShortBody //deprecated
pkg net/http, var ErrUnexpectedTrailer //deprecated
pkg net/http, var ErrWriteAfterFlush //deprecated
pkg net/http/httptest, type ResponseRecorder struct, HeaderMap //deprecated
pkg net/http/httputil, func NewClientConn //deprecated
pkg net/http/httputil, func NewProxyClientConn //deprecated
pkg net/http/httputil, func NewServerConn //deprecated

The syntax is compact and simple to parse, allowing for easy analysis
by automatic tools such as integrated development environments.
</p>

<h2 id="Notation">Notation</h2>
<p>
The syntax is specified using a
<a href="https://en.wikipedia.org/wiki/Wirth_syntax_notation">variant</a>
of Extended Backus-Naur Form (EBNF):
</p>

<pre class="grammar">
Syntax      = { Production } .
Production  = production_name "=" [ Expression ] "." .