Here's a direct link to the preview it kicks out: <a href="http://htmlpreview.github.io/?https://github.com/thisarmy/fontsinfo/blob/master/fonts.html" rel="nofollow">http://htmlpreview.github.io/?https://github.com/thisarmy/fo...</a><p>The fonts link straight to Google's Specimen pages and the features link to Microsoft's OpenType documentation. <a href="http://www.microsoft.com/typography/otspec/featurelist.htm" rel="nofollow">http://www.microsoft.com/typography/otspec/featurelist.htm</a>