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I have two problems with the comparison to the Phoenician Ayin. First, what does it mean for omicron to be "equal to the Phoenician letter Ayin"? Second, why does anyone care? There is no link to the Ayin entry, which gives no clue why this sentence was included in this entry.
Most of the other greek letters have a section like "(uppercase Η, lowercase η; Greek: Ήτα Ēta)". It would be nice to have similar one here including the Greek name for the letter. — Preceding unsigned comment added by Maliberty (talk • contribs) 18:09, 6 November 2013 (UTC)