fonts-config
The source for openSUSE's system fontconfig configurations.
- 10-group-tt-hinted-fonts.conf
- 10-group-tt-non-hinted-fonts.conf
- 13-selective-rendering.conf
- 61-wine-aliases.conf
are from infinality project and MIT licensed.
As the infinality project is officialy dead, we just copied them here instead of generating it every time.
00-09 extra font directories 10-19 system rendering defaults (antialising etc) 20-29 font rendering options 30-39 family substitution 40-49 map family to generic type 50-59 load alternate config files 60-69 generic aliases, map generic to family 70-79 adjust which fonts are available 80-89 match target scan (modify scanned patterns) 90-99 font synthesis
FC_DEBUG is your friend.
fc-match -a sans-serif | head -n 10 is also a good command
EmojiOne Color Font Full Demo is a good place for testing emojis.