【LATIN SMALL LETTER REVERSED R WITH FISHHOOK - fileformat.info】
http://www.fileformat.info/info/unicode/char/027f/...
【LATIN SMALL LETTER REVERSED R WITH FISHHOOK - decodeunicode.org】
http://www.decodeunicode.org/en/u+027f/properties
【N2366R - Proposal to add six phonetic characters to the UCS】
http://std.dkuug.dk/JTC1/sc2/wg2/docs/n2366r.pdf
- 【N3219 - Glyph corrections for U+027F and U+0285 in TUS】
- http://std.dkuug.dk/JTC1/SC2/wg2/docs/n3219.pdf
【Apical vowels again - John Wells's phonetic blog】
http://www.phon.ucl.ac.uk/home/wells/blog0704.htm