merge the /etc/fonts/conf.d settings, including 10-antialias.conf 10-hinting.conf 10-hinting-slight.conf 11-lcd-filter-lcddefault.conf 20-fix-globaladvance.conf 20-unhint-small-vera.conf 30-metric-aliases.conf 69-language-selector-zh-cn.conf 99-language-selector-zh.conf 51-local.conf