On Fri, 7 Jul 2017 16:14:04 +0100 (BST), William_J_G Overington via Unicode wrote: > […] > > For example, it mentioned the u diaeresis used in French, though I learned > later that words that have a u diaeresis in French are rather rare. > Today, words containing 'u diaeresis' have become more frequent in French, since last fall (2016) a reformed orthography designed as soon as in 1990 [1] has become valid (though it is not mandatory [2]). Among the novelties, it specifies that words like "to disambiguate" have the diaeresis shifted from the last 'i' of «désambiguïser» to the 'u' of «désambigüiser».
Kind regards, Marcel [1] https://en.wikipedia.org/wiki/Reforms_of_French_orthography#Tr.C3.A9ma [2] https://en.wikipedia.org/wiki/Reforms_of_French_orthography#cite_note-6