fixed latex to html

app/controllers/home.controller.js

             $scope.addMacro("\\QQ", "\\mathbb{Q}");
             $scope.addMacro("\\di", "\\displaystyle");
             $scope.addMacro("\\dd", "\\text{d}");
-            $scope.addMacro("<<", "&#171");
-            $scope.addMacro(">>", "&#187");
-            $scope.addMacro("<", "&#60");
-            $scope.addMacro(">", "&#62");
-            $scope.addMacro("\\\'{E}", "&#201");
-            $scope.addMacro("\\\'{A}", "&#192");
+            $scope.addMacro("<<", "&#171;");
+            $scope.addMacro(">>", "&#187;");
+            $scope.addMacro("<", "&#60;");
+            $scope.addMacro(">", "&#62;");
+            $scope.addMacro("\\\'{E}", "&#201;");
+            $scope.addMacro("\\\'{A}", "&#192;");
     }]);