[issue14072] urlparse on tel: URI-s misses the scheme in some cases

[Ezio Melotti]

Ezio Melotti <ezio.melotti at gmail.com> added the comment:

> In the patch I'm assuming that the port number can only contain ascii digits

RFC 3986 [0] defines the port as
   port          = *DIGIT
and part of the "authority" [1] as
   authority     = [ userinfo "@" ] host [ ":" port ]
   userinfo      = *( unreserved / pct-encoded / sub-delims / ":" )
   host          = IP-literal / IPv4address / reg-name
   port          = *DIGIT
so my assumption should be correct.

[0]: http://tools.ietf.org/html/rfc3986#section-3.2.3
[1]: http://tools.ietf.org/html/rfc3986#appendix-A

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stage: patch review -> commit review
versions: +Python 3.2, Python 3.3

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