allow double quote in cookie values

Author: nburns

Lib/http/cookies.py

@@ -433,7 +433,7 @@ def OutputString(self, attrs=None):
 #
 
 _LegalKeyChars  = r"\w\d!#%&'~_`><@,:/\$\*\+\-\.\^\|\)\(\?\}\{\="
-_LegalValueChars = _LegalKeyChars + r'\[\]'
+_LegalValueChars = _LegalKeyChars + r'"\[\]'
 _CookiePattern = re.compile(r"""
     \s*                            # Optional whitespace at start of cookie
     (?P<key>                       # Start of group 'key'

Lib/test/test_http_cookies.py

@@ -47,6 +47,16 @@ def test_basic(self):
                     'Set-Cookie: d=r',
                     'Set-Cookie: f=h'
                 ))
+            },
+
+            {'data': 'before="value; inside=val"ue; after=value"',
+             'dict': {'before': '"value', 'inside': 'val"ue', 'after': 'value"'},
+             'repr': "<SimpleCookie: after='value\"' before='\"value' inside='val\"ue'>",
+             'output': '\n'.join((
+                 'Set-Cookie: after=value"',
+                 'Set-Cookie: before="value',
+                 'Set-Cookie: inside=val"ue',
+             ))
             }
         ]