This fixes scenarios when the data has falsy values like 0,false etc. Earlier it would just skip this value.

akanksha1105 · akanksha1105 · commit b3a87cf304bd · 2013-06-18T00:22:50.000+05:30
diff --git a/tmpl.js b/tmpl.js
@@ -66,7 +66,7 @@
         "'"   : "&#39;"
     };
     tmpl.encode = function (s) {
-        return String(s || "").replace(
+        return String(s + "" || "").replace(
             tmpl.encReg,
             function (c) {
                 return tmpl.encMap[c] || "";
