// compare errors against this variable.
	ErrUnexpectedTrailer = &ProtocolError{"trailer header without chunked transfer encoding"}

	// ErrMissingBoundary is returned by Request.MultipartReader when the
	// request's Content-Type does not include a "boundary" parameter.
	ErrMissingBoundary = &ProtocolError{"no multipart boundary param in Content-Type"}

	// ErrNotMultipart is returned by Request.MultipartReader when the

		{"ErrBodyReadAfterClose", Var, 0},
		{"ErrContentLength", Var, 0},
		{"ErrHandlerTimeout", Var, 0},
		{"ErrHeaderTooLong", Var, 0},
		{"ErrHijacked", Var, 0},
		{"ErrLineTooLong", Var, 0},
		{"ErrMissingBoundary", Var, 0},
		{"ErrMissingContentLength", Var, 0},
		{"ErrMissingFile", Var, 0},
		{"ErrNoCookie", Var, 0},
		{"ErrNoLocation", Var, 0},
		{"ErrNotMultipart", Var, 0},
		{"ErrNotSupported", Var, 0},

pkg net/http, var ErrHandlerTimeout error
pkg net/http, var ErrHeaderTooLong *ProtocolError
pkg net/http, var ErrHijacked error
pkg net/http, var ErrLineTooLong error
pkg net/http, var ErrMissingBoundary *ProtocolError
pkg net/http, var ErrMissingContentLength *ProtocolError
pkg net/http, var ErrMissingFile error
pkg net/http, var ErrNoCookie error
pkg net/http, var ErrNoLocation error