Pro tip: configure a font that doesn't show open circles for unused braille characters to have a higher priority than your current font to get better-looking graphs.
On my system, braille characters are provided by DejaVu Serif, and it was as easy as just installing the font.
No, you've got it set up right. Many people will have graphs where each character rectangle has open circles for the unused braile dots in the character block.
Pro tip: configure a font that doesn't show open circles for unused braille characters to have a higher priority than your current font to get better-looking graphs.
On my system, braille characters are provided by DejaVu Serif, and it was as easy as just installing the font.
Where do you see open circles? I don't understand sorry
No, you've got it set up right. Many people will have graphs where each character rectangle has open circles for the unused braile dots in the character block.
Here's an example.