[nknighthb]

Look at the HTML. The "unicode variant" is rendered differently because the code tells the browser to render it differently, not because it's a different character.

    <span style="font-size:125%"><span class="Unicode">\</span></span>

[chimeracoder]

Ah, thanks. I was on my phone and didn't think to check the source.

EDIT: Actually, this explanation is enlightening: http://en.wikipedia.org/wiki/Slash_(punctuation)#Encoding