is font-size-adjust supported?

HTML

<p id="none">none</p>
<p id="number">.5 &lt;number></p>

CSS

p {
    font-family: "Helvetica Neue", "Calibri", sans-serif;
    font-size: 26px;
}

#none { font-size-adjust: none; }
#number { font-size-adjust: .1; }