I have no end of trouble getting my Postscript-flavored OpenType fonts to work reliably on Windows. I find most of them work ok in Notepad and Inkscape, but will not show any characters in the charmap app, and will not work at all in Wordpad. This doesn't happen with TrueType-flavored OpenType fonts. But I prefer the CFF fonts on Mac, and I'd rather only have one format.
Could anyone please take a look at the attached test font and perhaps enlighten me?
Incidentally, the font contains only a few characters that form a seamless border by typing