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Request: Support for four unofficial IPA characters #195

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throwaway571 opened this issue Aug 31, 2020 · 9 comments
Closed

Request: Support for four unofficial IPA characters #195

throwaway571 opened this issue Aug 31, 2020 · 9 comments

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@throwaway571
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throwaway571 commented Aug 31, 2020

The characters ᵻ U+1D7B and ᵿ U+1D7F are used in some variants of the IPA, such as the one used by the Oxford English Dictionary, to represent weak unstressed vowels that can be reduced to schwa for some speakers. The examples given are honest /ˈɒnᵻst/ and July /dʒᵿˈlʌɪ/.

Note that these are barred versions of U+026A ɪ and U+028A ʊ, and not, as some fonts have it, of U+0131 ı and U+028B ʋ.

Added 2020-09-06: Transcriptions of Chinese languages often use two unofficial IPA symbols for the so-called “apical vowels”: ɿ U+027F and ʅ U+0285. Despite their official Unicode names, these two characters form a series, and U+0285 is in essence U+027F with a retroflex hook.

@throwaway571 throwaway571 changed the title U+1D7B ᵻ and U+1D7F ᵿ Request: Support for four unofficial IPA characters Sep 7, 2020
@pauldhunt
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pauldhunt commented Sep 29, 2020

@throwaway571 do you have any good references for the Chinese transcription characters? are you able to post some images?

@throwaway571
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@pauldhunt Here's an example from a paper by Faytak & Lin:
image

@pauldhunt
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@throwaway571 so they both descend below the baseline? got it. thanks.

@throwaway571
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@pauldhunt Well, [ɿ] has two alternative glyphs. Unicode says that the glyph with a descender is preferred, but I’ve also seen it without a descender in several publications. In any case, it shouldn’t matter; it’s the same character.

Note that, because all four of these characters are vowels, they can technically take diacritics in the IPA. I don’t think I’ve seen diacritics on the barred letters in practice, but I have seen tone diacritics above the apical vowel letters.

@throwaway571
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throwaway571 commented Sep 29, 2020

@pauldhunt Here is an example of a combining macron and a combining acute on U+0285. It also shows an example of the still unsupported U+02ED MODIFIER LETTER UNASPIRATED, which looks like a superscript equals sign.

image

By the way, should I start a new thread for any future IPA requests, or should I use this thread?

@pauldhunt
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it’s probably best to keep things separate if you keep adding new characters you want supported. even better would be to try to compile all of the characters you think you will need into one thread.
btw, do you have the unicode text for the IPA sample above? i’d like to try setting it in Source Sans, but i’d rather not have to set this if you have it available to you.

@throwaway571
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@pauldhunt

[wɔ̌ t͡ʂʰʅ̄ ʨʰʲǎʷ kʰɤ̀ lì ʂʅ́ pʰí fū hʷèʲ t͡ʂ˭ʊ́ŋ ʨʰǐ láʲ]

@pauldhunt
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@throwaway571 thank you 🙏🏽

@erniemarch2
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confirmed in build 3.038

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