FC 4 packages: fonts-xorg-ISO8859-2-100dpi fonts-xorg-ISO8859-14-75dpi etc. $ rpm -qp --obsoletes xorg-x11-fonts-ISO8859-15-75dpi-1.0.0-1.noarch.rpm XFree86-ISO8859-15-75dpi-fonts xorg-x11-ISO8859-15-75dpi-fonts fonts-xorg-ISO8859-15-75dpi-fonts <- note extra 'fonts'.
fixed in 1.0.0-2