@font-face {
 font-family: "GF Zemen Unicode";
 src: url("ftp://ftp.ethiopic.org/pub/fonts/TrueType/gfzemenu.ttf");
 unicode-range: U+00?? U+1200-137F; /* Latin-1 and Ethiopic */
}
doc {
 font-family: "GF Zemen Unicode";
}
/* etc... */