Tokio Kikuchi's fix for SF bug #1629369; folding whitespace allowed in the

display name of an email address, e.g.

Foo
\tBar <foo@example.com>

Test case added by Barry.

Lib/email/_parseaddr.py

-# Copyright (C) 2002-2006 Python Software Foundation
+# Copyright (C) 2002-2007 Python Software Foundation
 # Contact: email-sig@python.org
 
 """Email address parsing code.
@@ -172,6 +172,7 @@ class AddrlistClass:
         self.pos = 0
         self.LWS = ' \t'
         self.CR = '\r\n'
+        self.FWS = self.LWS + self.CR
         self.atomends = self.specials + self.LWS + self.CR
         # Note that RFC 2822 now specifies `.' as obs-phrase, meaning that it
         # is obsolete syntax.  RFC 2822 requires that we recognize obsolete
@@ -418,7 +419,7 @@ class AddrlistClass:
         plist = []
 
         while self.pos < len(self.field):
-            if self.field[self.pos] in self.LWS:
+            if self.field[self.pos] in self.FWS:
                 self.pos += 1
             elif self.field[self.pos] == '"':
                 plist.append(self.getquote())

Lib/email/test/test_email.py

-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001-2007 Python Software Foundation
 # Contact: email-sig@python.org
 # email package unit tests
 
@@ -2165,6 +2165,12 @@ class TestMiscellaneous(TestEmailBase):
         # formataddr() quotes the name if there's a dot in it
         self.assertEqual(Utils.formataddr((a, b)), y)
 
+    def test_multiline_from_comment(self):
+        x = """\
+Foo
+\tBar <foo@example.com>"""
+        self.assertEqual(Utils.parseaddr(x), ('Foo Bar', 'foo@example.com'))
+
     def test_quote_dump(self):
         self.assertEqual(
             Utils.formataddr(('A Silly; Person', 'person@dom.ain')),

Lib/email/test/test_email_renamed.py

-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001-2007 Python Software Foundation
 # Contact: email-sig@python.org
 # email package unit tests
 
@@ -2171,6 +2171,12 @@ class TestMiscellaneous(TestEmailBase):
         # formataddr() quotes the name if there's a dot in it
         self.assertEqual(utils.formataddr((a, b)), y)
 
+    def test_multiline_from_comment(self):
+        x = """\
+Foo
+\tBar <foo@example.com>"""
+        self.assertEqual(utils.parseaddr(x), ('Foo Bar', 'foo@example.com'))
+
     def test_quote_dump(self):
         self.assertEqual(
             utils.formataddr(('A Silly; Person', 'person@dom.ain')),