Re: Uppercase character predicate
Stephen Berman <[email protected]>
| Newsgroups | gmane.emacs.help |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 14 Aug 2026 09:16:44 -0400 Maximilian Cook <[email protected]> wrote: >> Why doesn't MATHEMATICAL FRAKTUR SMALL A (#x1d51e) fit that bill? >> >> (get-char-code-property #x1d504 'general-category) => Lu >> (get-char-code-property #x1d51e 'general-category) => Ll > > I can't answer the question as to why MATHEMATICAL FRAKTUR SMALL A > (#x1d51e) specifically does not map to #x1d504, but I've noticed that > macOS does not link #x1d51e and #x1d504 together either (nor does some > random case-converting website I tried), so the issue doesn't seem to be > on Emacs's end. > > My best guess is that, since they are mathematical display letters, case > conversion would cause issues. I wonder what issues that could be. But your guess seems plausible: the same goes e.g. for MATHEMATICAL SCRIPT CAPITAL A (#x1d49c) and MATHEMATICAL SCRIPT SMALL A (#x1d4b6). Steve Berman