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Thank you for your edit. Regarding recent changes of removing refs and adding as examples may confuse readers.
First "pt:Carta" is not a game, as far as I know. It is not nil possibility that Portugueses introduced "carta" games to Japanese in 16 century. But in articles ja:かるた,pt:Carta,Karuta, es:Carta mentioned about words "Carta" and "Karuta" but not about "Carta game" and "Karuta game". If you have an information regarding Portuguese carta game introduced to Japan, it better be written in Karuta page. Meanwhile in order to avoid readers confusion, I will remove Karuta-Portuguese description which is already written in Karuta page and add a link to Karuta page.
Second change. It is not completely wrong but may confuse readers. The reason I added Chihayaful as ref is because of popularity of Manga of same title. Chihayaful poem is unique 2 syllables not 3. other two are 4 syllables unique. I will update article to explain it. --MasAqui (talk) 01:53, 22 November 2011 (UTC)