a {
  font-family: none;
}

b {
  font-family: Sans Serif;
}

c {
  font-family: A Font with a lot of text\2C       spaces        and special characters\2122;
}

d {
  font-family: "A Font with a lot of text, spaces and special characters™" ;
}

e {
  font-family: A, Lot, Of, Fonts;
}

f {
  font-family: "A", "Lot", "Of", "Fonts";
}

g {
  font-family: "A Lot", Of, "Fonts";
}

/* errors straight from the CSS 2.1 spec */

cssa {
  font-family: Red/Black, sans-serif;
}

cssb {
  font-family: "Lucida" Grande, sans-serif;
}

cssc {
  font-family: Ahem!, sans-serif;
}

cssd {
  font-family: test@foo, sans-serif;
}

csse {
  font-family: #POUND, sans-serif;
}

cssf {
  font-family: Hawaii 5-0, sans-serif;
}

/* errors */

ea {
  font-family: ;
}

eb {
  font-family: No comma at the end, please, ;
}