Ï

I with Diaeresis
I with Diaeresis
Ï ï
Usage
Writing system	Latin script
Sound values	[ɯ]; [ɛ]; [i]; [ɨ]; [ɪ]; [ˈiː];
In Unicode	U+00CF, U+00EF
History
Development	IE Ï ï;
Other
	This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

Ï, lowercase ï, is a symbol used in various languages written with the Latin alphabet; it can be read as the letter I with diaeresis, I-umlaut or I-trema.

Initially in French and also in Afrikaans, Catalan, Dutch, Galician, Southern Sami, Welsh, and occasionally English, ⟨ï⟩ is used when ⟨i⟩ follows another vowel and indicates hiatus in the pronunciation of such a word. It indicates that the two vowels are pronounced in separate syllables, rather than together as a diphthong or digraph. For example, French maïs (IPA: [ma.is] ^ⓘ; "maize"); without the diaeresis, the ⟨i⟩ is part of the digraph ⟨ai⟩: mais (IPA: [mɛ] ^ⓘ; *but"). The letter is also used in the same context in Dutch, as in Oekraïne (pronounced [ukraːˈ(j)inə] ^ⓘ *and not [uˈkrɑinə]; "Ukraine"), and English naïve (/nɑːˈiːv/ nah-EEV or /naɪˈiːv/ ny-EEV).

In scholarly writing on Turkic languages, ⟨ï⟩ is sometimes used to write the close back unrounded vowel /ɯ/, which, in the standard modern Turkish alphabet, is written as the dotless i ⟨ı⟩.^[1] The back neutral vowel reconstructed in Proto-Mongolic is sometimes written ⟨ï⟩.^[2]

In the transcription of Amazonian languages, ⟨ï⟩ is used to represent the high central vowel [ɨ].

It is also a transliteration of the rune ᛇ.

Computing

Lowercase ï is often seen in the sequences ï¿½ and ï»¿, which are the Unicode replacement character and byte order mark, respectively, in UTF-8 misinterpreted as ISO-8859-1 or CP1252 (both common encodings in software configured for English-language users). Thus, it tends to indicate that any following mojibake can be corrected by reinterpreting the data as UTF-8.

Character information
Preview	Ï		ï
Unicode name	LATIN CAPITAL LETTER I WITH DIAERESIS		LATIN SMALL LETTER I WITH DIAERESIS
Encodings	decimal	hex	dec	hex
Unicode	207	U+00CF	239	U+00EF
UTF-8	195 143	C3 8F	195 175	C3 AF
Numeric character reference	Ï	Ï	ï	ï
Named character reference	Ï		ï
EBCDIC family	119	77	87	57
ISO 8859-1/2/3/4/9/10/14/15/16	207	CF	239	EF

References

^ Marcel Erdal, A Grammar of Old Turkic, Handbook of Oriental Studies 3, ISBN 9004102949, 2004, p. 52
^ Juha Janhunen, ed., The Mongolic Languages ISBN 0415681545, p. 5

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[1] Marcel Erdal, A Grammar of Old Turkic, Handbook of Oriental Studies 3, ISBN 9004102949, 2004, p. 52

[2] Juha Janhunen, ed., The Mongolic Languages ISBN 0415681545, p. 5

[1]

[2]

Computing

See also

References