my fonts.conf

fonts.conf.xml

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <dir>~/.fonts</dir>
 <alias>
  <family>serif</family>
  <prefer>
   <family>Source Serif Pro</family>
   <family>IPAMincho</family>
  </prefer>
 </alias>
 <alias>
  <family>sans-serif</family>
  <prefer>
   <family>Source Sans Pro</family>
   <family>Source Han Sans JP</family>
  </prefer>
 </alias>
 <alias>
  <family>monospace</family>
  <prefer>
   <family>Source Code Pro</family>
  </prefer>
 </alias>
 <alias>
  <family>cursive</family>
  <prefer>
   <family>Comic Neue</family>
  </prefer>
 </alias>
 <!-- fuck helvetica -->
 <match>
  <test name="family">
   <string>Helvetica</string>
  </test>
  <edit binding="same" mode="assign" name="family">
   <string>Source Sans Pro</string>
  </edit>
 </match>
 <!-- define font family for some fonts fontconfig doesn't know about -->
 <alias>
  <family>Source Code Pro</family>
  <default>
   <family>monospace</family>
  </default>
 </alias>
 <alias>
  <family>Droid Sans Mono</family>
  <default>
   <family>monospace</family>
  </default>
 </alias>
 <alias>
  <family>PowerlineSymbols</family>
  <default>
   <family>monospace</family>
  </default>
 </alias>
 <alias>
  <family>Comic Neue</family>
  <default>
   <family>cursive</family>
  </default>
 </alias>
 <!-- by default fontconfig assumes any unrecognized font is sans-serif, so -->
 <!-- the fonts above now have /both/ families.  fix this. -->
 <!-- note that "delete" applies to the first match -->
 <match>
  <test compare="eq" name="family">
   <string>sans-serif</string>
  </test>
  <test compare="eq" name="family">
   <string>monospace</string>
  </test>
  <edit mode="delete" name="family"/>
 </match>
 <match>
  <test compare="eq" name="family">
   <string>sans-serif</string>
  </test>
  <test compare="eq" name="family">
   <string>cursive</string>
  </test>
  <edit mode="delete" name="family"/>
 </match>
 <!-- comic neue is missing a few glyphs and fontconfig thinkgs it's -->
 <!-- unsuitable for english text, oops!  fix this forcibly. -->
 <!-- once the font is fixed, the above rule is good enough -->
 <match>
  <test compare="contains" name="lang">
   <string>en</string>
  </test>
  <test name="family">
   <string>cursive</string>
  </test>
  <edit mode="delete_all" name="lang"/>
  <edit mode="prepend" name="family">
   <string>Comic Neue</string>
  </edit>
 </match>
 <!-- Replace Comic Sans with Comic Neue bold -->
 <match>
  <test name="family">
   <string>Comic Sans MS</string>
  </test>
  <edit binding="same" mode="assign" name="family">
   <string>Comic Neue</string>
  </edit>
  <edit binding="weak" mode="assign" name="style">
   <string>Bold</string>
  </edit>
 </match>
 <!-- Hinting and subpixel rendering -->
 <match target="font">
  <edit mode="assign" name="rgba">
   <const>rgb</const>
  </edit>
  <edit mode="assign" name="hinting">
   <bool>true</bool>
  </edit>
  <edit mode="assign" name="hintstyle">
   <const>hintslight</const>
  </edit>
  <edit mode="assign" name="lcdfilter">
   <const>lcddefault</const>
  </edit>
  <edit mode="assign" name="antialias">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="rgba">
   <const>rgb</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hinting">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hintstyle">
   <const>hintslight</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="antialias">
   <bool>true</bool>
  </edit>
 </match>
</fontconfig>