<p>Here is my output:</p>

<pre><code>TeX Input Jax v1.1
HTML-CSS Output Jax v1.1
mml Element Jax v1.1
tex2jax Extension v1.1
MathZoom Extension v1.1
MathMenu Extension v1.1
TeX/noErrors Extension v1.0.1
TeX/noUndefined Extension v1.0.1
Chrome v10.0.648.204 — otf fonts
</code></pre>

<p>Since this seems Mac OS X specific, maybe it is some antialiasing issue. I've already got used to it :)</p>
