Where does this strange beast come from? Its name is LATIN SMALL LETTER A WITH RIGHT HALF RING, and the right half ring is indeed above the "a". We don't have a RIGHT HALF RING ABOVE combining mark, so it only gets a compatibility decomposition.
Who would need a lower-case letter with a unique diacritic, and no upper-case equivalent? The U+1Exx block is "random junk inherited from 10646 DIS 1", Does anyone understand it? -- Schlingt dreifach einen Kreis vom dies! || John Cowan <[EMAIL PROTECTED]> Schliesst euer Aug vor heiliger Schau, || http://www.reutershealth.com Denn er genoss vom Honig-Tau, || http://www.ccil.org/~cowan Und trank die Milch vom Paradies. -- Coleridge (tr. Politzer)