diff --git a/WpfMath/Data/PredefinedTexFormulas.xml b/WpfMath/Data/PredefinedTexFormulas.xml
index ee47b6d..1014cf7 100644
--- a/WpfMath/Data/PredefinedTexFormulas.xml
+++ b/WpfMath/Data/PredefinedTexFormulas.xml
@@ -20,7 +20,7 @@
 
   <Formula name="hbar" enabled="true">
     <CreateFormula name="f">
-      <Argument type="string" value="\bar" />
+      <Argument type="string" value="\bar{}" />
     </CreateFormula>
     <MethodInvocation name="AddStrut" formula="f">
       <Argument type="Unit" value="Mu" />
@@ -154,14 +154,14 @@
 
   <!-- Macros -->
 
-  <Formula name="left" enabled="true">
+  <Formula name="left" enabled="false">
     <CreateFormula name="f">
       <Argument type="string" value="\left" />
     </CreateFormula>
     <Return name="f" />
   </Formula>
 
-  <Formula name="right" enabled="true">
+  <Formula name="right" enabled="false">
     <CreateFormula name="f">
       <Argument type="string" value="\right" />
     </CreateFormula>
diff --git a/WpfMath/PredefinedTexFormulasParser.cs b/WpfMath/PredefinedTexFormulasParser.cs
index e990e98..e9ac6f0 100644
--- a/WpfMath/PredefinedTexFormulasParser.cs
+++ b/WpfMath/PredefinedTexFormulasParser.cs
@@ -41,7 +41,7 @@ namespace WpfMath
             actionParsers.Add("MethodInvocation", new MethodInvocationParser());
             actionParsers.Add("Return", new ReturnParser());
 
-            argValueParsers.Add("TeXFormula", new TeXFormulaValueParser());
+            argValueParsers.Add("Formula", new TeXFormulaValueParser());
             argValueParsers.Add("string", new StringValueParser());
             argValueParsers.Add("double", new DoubleValueParser());
             argValueParsers.Add("int", new IntValueParser());
@@ -95,7 +95,7 @@ namespace WpfMath
             var rootEnabled = rootElement.AttributeBooleanValue("enabled", true);
             if (rootEnabled)
             {
-                foreach (var formulaElement in rootElement.Elements("TeXFormula"))
+                foreach (var formulaElement in rootElement.Elements("Formula"))
                 {
                     var enabled = formulaElement.AttributeBooleanValue("enabled", true);
                     if (enabled)