Code review request, 8020842 IDN do not throw IAE when hostname ends with a trailing dot

[Matthew Hall]

Take a look here for more clarity:

http://en.wikipedia.org/wiki/Fully_qualified_domain_name
-- 
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Matthew Hall <mhall at mhcomputing.net> wrote:
>Trailing dots are allowed in plain DNS (thus almost surely in IDN), and
>the single dot represents the root zone. So you have to be careful
>making this sort of change to check the DNS RFCs first.
>
>Matthew.