dot at dotat.at
Mon Sep 29 09:28:35 UTC 2014
Ronald F. Guilmette <rfg at tristatelogic.com> wrote:
> In a nutshell, I'd just like to know whether or not Punycode
> encoded strings may ever validly contain either (a) leading
> periods or else (b) two consecutive periods. Would any strings
> that contain either of those things be considered to be "valid"
> Punycode encoded strings?
No. For details see RFCs 5891, 5892, and 3492.
> To be more specific and concrete about it, here is a small
> example Perl program I wrote:
> When *I* run this, it prints out several "Invalid punycode!"
I think that is because the function you are calling is intended for
encoding individual labels, not whole domain names.
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
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