}
		if strings.HasSuffix(atom, ".") {
			return "", errors.New("mail: trailing dot in atom")
		}
	}
	return atom, nil
}

// consumeDomainLiteral parses an RFC 5322 domain-literal at the start of p.
func (p *addrParser) consumeDomainLiteral() (string, error) {
	// Skip the leading [
	if !p.consume('[') {
		return "", errors.New(`mail: missing "[" in domain-literal`)
	}

	// Parse the dtext