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

[Matthew Hall]

On Thu, Aug 15, 2013 at 10:08:35AM -0700, Mike Duigou wrote:
> I've been confused through this discussion as to why a trailing dot would be regarded as illegal.
> 
> Historically a trailing dot has been frequently (though not universally) used to denote a fully qualified domain name.
> 
> https://en.wikipedia.org/wiki/Fully_qualified_domain_name
> 
> Is this use now illegal/unsupported/invalid? Does having a trailing dot conflict with other parts of the IDN specification?
> 
> Mike

This is why some of us were protesting the code which disallowed the trailing 
'.', and eventually the code was changed to allow it to be present.

Matthew.