Update vendor/

vendor/github.com/emersion/go-message/mail/address.go

@@ -0,0 +1,37 @@
+package mail
+
+import (
+	"net/mail"
+	"strings"
+)
+
+// Address represents a single mail address.
+type Address mail.Address
+
+// String formats the address as a valid RFC 5322 address. If the address's name
+// contains non-ASCII characters the name will be rendered according to
+// RFC 2047.
+func (a *Address) String() string {
+	return ((*mail.Address)(a)).String()
+}
+
+func parseAddressList(s string) ([]*Address, error) {
+	list, err := mail.ParseAddressList(s)
+	if err != nil {
+		return nil, err
+	}
+
+	addrs := make([]*Address, len(list))
+	for i, a := range list {
+		addrs[i] = (*Address)(a)
+	}
+	return addrs, nil
+}
+
+func formatAddressList(l []*Address) string {
+	formatted := make([]string, len(l))
+	for i, a := range l {
+		formatted[i] = a.String()
+	}
+	return strings.Join(formatted, ", ")
+}