Merge branch 'issue317' into develop

unpacked/MathJax.js

@@ -2334,7 +2334,8 @@ MathJax.Hub.Startup = {
     isMac:       (navigator.platform.substr(0,3) === "Mac"),
     isPC:        (navigator.platform.substr(0,3) === "Win"),
     isMSIE:      (window.ActiveXObject != null && window.clipboardData != null),
-    isFirefox:   (window.netscape != null && document.ATTRIBUTE_NODE != null && !window.opera),
+    isFirefox:   ((window.netscape != null || window.mozPaintCount != null) &&
+                     document.ATTRIBUTE_NODE != null && !window.opera),
     isSafari:    (navigator.userAgent.match(/ (Apple)?WebKit\//) != null &&
                      (!window.chrome || window.chrome.loadTimes == null)),
     isChrome:    (window.chrome != null && window.chrome.loadTimes != null),

unpacked/jax/output/HTML-CSS/jax.js

@@ -292,8 +292,9 @@
 
     hideProcessedMath: true,           // use display:none until all math is processed
 
-    Font: null,  // created by Config() below
+    Font: null,                        // created by Config() below
     webFontDefault: "MathJax_Blank",
+    allowWebFonts: "otf",              // assume browser can use OTF web fonts
 
     Config: function () {
       if (!this.require) {this.require = []}