Subpixel lcdfilter

I’m experimenting with font rendering on Opensuse 11.3 (64 bit, gnome). I’ve installed packages from SubpixelHinting - openSUSE Community Wiki and it works fine, but I can’t find out why changing lcdfilter doesn’t work. It seems that it can be only disabled (lcdnone) and enabled. Changing options lcdlight, lcdlegacy and lcddefault doesn’t make any difference.

Gnome font rendering details:
Smoothing: Subpixel (LCD)
Hinting: Full
Subpixel order: RGB

~/.fonts.conf:

<?xml version=‘1.0’?>
<!DOCTYPE fontconfig SYSTEM ‘fonts.dtd’>
<fontconfig>
<match target=“font” >
<edit mode=“assign” name=“rgba” >
<const>rgb</const>
</edit>
<edit mode=“assign” name=“antialias” >
<bool>true</bool>
</edit>
<edit name=“lcdfilter” mode=“assign”>
<const>lcdlight</const>
</edit>
</match>
</fontconfig>

Changing Xft.lcdfilter in ~/.Xresources also doesn’t make difference.