Stupid U-label question
Frank Ellermann
hmdmhdfmhdjmzdtjmzdtzktdkztdjz at gmail.com
Tue Aug 19 01:12:44 CEST 2008
Hi, triggered by an error - I tried a punycode decode
instead of an IDNA2003 decode - I tested the effect
of xn--xn--4ca-cxa with two tools, both told me "this
is no A-label".
In other words xn--4caä (ending with an umlauted a)
is no U-label. I wasn't aware that U-labels must not
start with "xn--", is that mentioned in the drafts ?
Frank
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