I think most of the people in the US call the mark an umlaut and not a diaeresis. From a computer standpoint there is no difference in most fonts. I have an ISO Spanish keyboard so diacritical marks are easier to produce and I have separate keys for ç, ñ, º and ª.
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momijizukamori
Umlaut or diaeresis
Date: 2007-05-12 06:52 pm (UTC)Chuck