Unicode digits should be not allowed in TLD of email address in wiki text

[Jun Omae]

Test cases:

• foo@… (U+096c)
• foo@… (U+0cec)
• foo@… (U+ff16)
• foo@… (U+1d7e8)

trac/notification/mail.py

@@ -59 +59 @@
         r"[a-zA-Z0-9.'+_-]+" '@'
         # the domain name part (RFC:1035)
         r'(?:[a-zA-Z0-9_-]+\.)+'  # labels (but also allow '_')
-        r'[a-zA-Z](?:[-a-zA-Z\d]*[a-zA-Z\d])?'  # TLD
+        r'[a-zA-Z](?:[-a-zA-Z0-9]*[a-zA-Z0-9])?'  # TLD
         )
 
 _mime_encoding_re = re.compile(r'=\?[^?]+\?[bq]\?[^?]+\?=', re.IGNORECASE)

[Jun Omae]

Fixed in [17857] and merged in [17858].