A committee member provided the following comment:
The ISO codes given are for other languages. No evidence could be found that a language called Tsukurian exists; and neither seems the text below in #Proposal be a valid language. --MF-W 23:35, 26 February 2013 (UTC)
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I think I can guess some of the meaning of the text. πr2 (t • c) 23:03, 26 February 2013 (UTC)
It seems to mention en:Inuinnaqtun, Finland, and Greenland. However, it seems to use several uncommon Latin letters, like German Eszett "ß" = "ss", thorn "Þ" = "th" (used in Old English to Icelandic), engma [?] (user probably meant to write an engma, not an eta, based on "Filandinii" and "Innui[n]aqtun"). I can tell you this is not Tswana after working with local users on the tn:already-existing Tswana Wikipedia, and learning some basics of the language. It looks nothing like a Bantu language (like Tswana). πr2 (t • c) 23:35, 26 February 2013 (UTC)