The proposal means domain names can be written in Chinese as well as Greek, Arabic, Hindi or Cyrillic and be understood natively by the servers that connect computers together over the web.
Welsh is excluded because it can be spelled using Latin characters although Rh, ch, ll and so on are letters in their own right. So, yes, there is a http://llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.com/ (the longest URL on the internet, although, sadly, Gorsafawddachaidraigodanheddogleddollonpenrhynareurdraethceredigion does not have its own URL.
The first of the new the first IDN-compliant addresses should be in operation by the middle of next year, said current ICANN President Rod Beckstrom, who is seen in our illustration. Note that he has just resigned this post for reasons unspecified. As this is written, no replacement has been announced.