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A comment on Panic introduces the world's first emoji domain.

Re:Panic introduces the world's first emoji domain by kijeda on Thursday July 21, 2011 @05:55PM (#2791460)
The fact that this works reflects that fact Safari hasn't implemented the IDN standard fully, and neither has the .LA domain registry. Section 4.2.2 of RFC 5891 forbids the Emoji codepoints from being encoded in a valid IDN string.
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Re:Panic introduces the world's first emoji domain by Dylan16807 on Thursday July 21, 2011 @06:17PM (#2791541)
Technically yes but if I'm reading it right that's only because in an outdated chart they hadn't been assigned yet. Unless there's a pattern of disallowing symbols but I'd have to question the motivation behind that.

Edit: Nevermind, the rules used to create the chart are designed to disallow symbols. It gives an explanation of the rule but not the reason it was set.

  These rules identify characters commonly used in mnemonics and often
  informally described as "language characters".  In general, only code
  points assigned to this category are suitable for use in IDN.
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