> On 2 Dec 2018, at 20:29, Janusz S. Bień via Unicode <unicode@unicode.org> > wrote: > > On Sun, Dec 02 2018 at 10:33 +0100, Hans Åberg via Unicode wrote: >> >> It was common in the 1800s to singly and doubly underline superscript >> abbreviations in handwriting according to [1-2], and [2] also mentions >> the abbreviation discussed in this thread. > > Thank you very much for this reference to the very abbreviation! I > looked up Wikipedia but I haven't read it carefully enough :-(
Quite of a coincidence, as I was looking at the article topic, and it happened to have this remark embedded! >> 1. https://en.wikipedia.org/wiki/Ordinal_indicator >> 2. https://en.wikipedia.org/wiki/Ordinal_indicator#cite_note-1