Hinting + RGBA in Debian

hintstyle = hintfull вроде работает, но как включить RGBA ума не приложу.

root@gaia:/etc/fonts/conf.d# ls -l
total 8
-rw-r--r-- 1 root root 408 2007-10-02 12:57 10-birdie.conf
lrwxrwxrwx 1 root root  39 2007-09-27 03:21 20-fix-globaladvance.conf -> ../conf.avail/20-fix-globaladvance.conf
lrwxrwxrwx 1 root root  36 2007-09-27 03:21 20-lohit-gujarati.conf -> ../conf.avail/20-lohit-gujarati.conf
lrwxrwxrwx 1 root root  39 2007-09-27 03:21 20-unhint-small-vera.conf -> ../conf.avail/20-unhint-small-vera.conf
lrwxrwxrwx 1 root root  33 2007-09-27 03:21 30-amt-aliases.conf -> ../conf.avail/30-amt-aliases.conf
lrwxrwxrwx 1 root root  39 2007-10-01 16:51 30-defoma.conf -> /var/lib/defoma/fontconfig.d/fonts.conf
lrwxrwxrwx 1 root root  33 2007-09-27 03:21 30-urw-aliases.conf -> ../conf.avail/30-urw-aliases.conf
lrwxrwxrwx 1 root root  29 2007-09-27 03:21 40-generic.conf -> ../conf.avail/40-generic.conf
lrwxrwxrwx 1 root root  31 2007-09-27 03:21 49-sansserif.conf -> ../conf.avail/49-sansserif.conf
-rw-r--r-- 1 root root 254 2006-04-15 16:00 50-enable-terminus.conf
lrwxrwxrwx 1 root root  26 2007-09-27 03:21 50-user.conf -> ../conf.avail/50-user.conf
lrwxrwxrwx 1 root root  27 2007-09-27 03:21 51-local.conf -> ../conf.avail/51-local.conf
lrwxrwxrwx 1 root root  27 2007-09-27 03:21 60-latin.conf -> ../conf.avail/60-latin.conf
lrwxrwxrwx 1 root root  35 2007-09-27 03:21 65-fonts-persian.conf -> ../conf.avail/65-fonts-persian.conf
lrwxrwxrwx 1 root root  30 2007-09-27 03:21 65-nonlatin.conf -> ../conf.avail/65-nonlatin.conf
lrwxrwxrwx 1 root root  29 2007-09-27 03:21 69-unifont.conf -> ../conf.avail/69-unifont.conf
lrwxrwxrwx 1 root root  40 2007-10-01 16:51 70-no-bitmaps.conf -> /etc/fonts/conf.avail/70-no-bitmaps.conf
lrwxrwxrwx 1 root root  31 2007-09-27 03:21 80-delicious.conf -> ../conf.avail/80-delicious.conf
lrwxrwxrwx 1 root root  31 2007-09-27 03:21 90-synthetic.conf -> ../conf.avail/90-synthetic.conf


cat 10-birdie.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
 <match target="font" >
  <edit mode="assign" name="hinting" >
   <bool>true</bool>
  </edit>
 </match>
 <match target="font" >
  <edit mode="assign" name="hintstyle" >
   <const>hintfull</const>
  </edit>
 </match>
 <match target="font" >
  <edit mode="assign" name="rgba" >
   <const>rgb</const>
  </edit>
 </match>
</fontconfig>