> On 7 Oct 2016, at 18:06, Doug Ewell <[email protected]> wrote: > I can't find anything in the UCD that distinguishes one "font variant" > from another (UnicodeData.txt shown as an example): > > 1D400;MATHEMATICAL BOLD CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D434;MATHEMATICAL ITALIC CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D468;MATHEMATICAL BOLD ITALIC CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D49C;MATHEMATICAL SCRIPT CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D4D0;MATHEMATICAL BOLD SCRIPT CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D504;MATHEMATICAL FRAKTUR CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D538;MATHEMATICAL DOUBLE-STRUCK CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D56C;MATHEMATICAL BOLD FRAKTUR CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D5A0;MATHEMATICAL SANS-SERIF CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > 1D5D4;MATHEMATICAL SANS-SERIF BOLD CAPITAL A;Lu;0;L;<font> > 0041;;;;N;;;;; > 1D608;MATHEMATICAL SANS-SERIF ITALIC CAPITAL A;Lu;0;L;<font> > 0041;;;;N;;;;; > 1D63C;MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL A;Lu;0;L;<font> > 0041;;;;N;;;;; > 1D670;MATHEMATICAL MONOSPACE CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;; > > And that's probably as it should be, because UTC never intended MAS to > be readily transformed to and from "plain" characters. They're supposed > to be used for mathematical expressions in which styled letters have > special meaning.
I use them for input text files, and it is not particularly difficult. An efficient method is to use text substitutions, as available on MacOS. The resulting file is UTF-8 with the correct character, and typesetting systems like LuaTeX with ConTeXt or LaTeX/unicode-math translates it into a PDF. It is usually easy to immediately spot if a math style is wrong. Using it in the input makes one more aware of new styles that in the past was not available.

