+# check quoting of local part of invalid address, Bug #26780
+cat >`mhpath new` <<EOF
+From: Test11 <test11@example.com>
+To: before_auser@example.com, A. User <auser@example.com>,
+ after_user@example.com
+Date: Fri, 29 Sep 2006 00:00:11
+Message-Id: 11@test.nmh
+Subject: Testing message 11
+
+This is message number 11
+
+EOF
+
+cat >$expected <<EOF
+From: mymailbox@localhost
+To: Test11 <test11@example.com>
+cc: before_auser@example.com, "A. User" <auser@example.com>,
+ after_user@example.com
+Fcc: +outbox
+Subject: Re: Testing message 11
+In-reply-to: 11@test.nmh
+References: 11@test.nmh
+Comments: In-reply-to Test11 <test11@example.com>
+ message dated "Fri, 29 Sep 2006 00:00:11."
+--------
+EOF
+
+repl -cc to -editor true -nowhatnowproc 11
+check $expected $actual
+
+