diff --git a/unpacked/jax/output/HTML-CSS/autoload/menclose.js b/unpacked/jax/output/HTML-CSS/autoload/menclose.js
index 4238d2b1b..ad0169668 100644
--- a/unpacked/jax/output/HTML-CSS/autoload/menclose.js
+++ b/unpacked/jax/output/HTML-CSS/autoload/menclose.js
@@ -61,6 +61,7 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
       for (var i = 0, m = nl.length; i < m; i++) notation[nl[i]] = true;
       if (notation[MML.NOTATION.UPDIAGONALARROW]) notation[MML.NOTATION.UPDIAGONALSTRIKE] = false;
 
+      var line;
       for (var n in notation) {
         if (!notation.hasOwnProperty(n) || !notation[n]) continue;
         switch (n) {
@@ -117,8 +118,8 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
             break;
 
           case MML.NOTATION.VERTICALSTRIKE:
-            var vline = HTMLCSS.createRule(stack,H+D-t/2,0,t);
-            HTMLCSS.addBox(stack,vline); HTMLCSS.placeBox(vline,p+t+base.bbox.w/2,-D,true);
+            line = HTMLCSS.createRule(stack,H+D-t/2,0,t);
+            HTMLCSS.addBox(stack,line); HTMLCSS.placeBox(line,p+t+base.bbox.w/2,-D,true);
             break;
             
           case MML.NOTATION.TOP:
@@ -130,14 +131,14 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
             break;
             
           case MML.NOTATION.HORIZONTALSTRIKE:
-            var hline = HTMLCSS.createRule(stack,t,0,W-t/2);
-            HTMLCSS.addBox(stack,hline); HTMLCSS.placeBox(hline,0,(H+D)/2-D,true);
+            line = HTMLCSS.createRule(stack,t,0,W-t/2);
+            HTMLCSS.addBox(stack,line); HTMLCSS.placeBox(line,0,(H+D)/2-D,true);
             break;
 
           case MML.NOTATION.UPDIAGONALSTRIKE:
             if (HTMLCSS.useVML) {
               if (!vml) {vml = this.HTMLvml(stack,H,D,W,t,values.mathcolor)}
-              var line = this.HTMLvmlElement(vml,"line",{from: "0,"+this.HTMLpx(H+D-t), to: this.HTMLpx(W)+",0"});
+              line = this.HTMLvmlElement(vml,"line",{from: "0,"+this.HTMLpx(H+D-t), to: this.HTMLpx(W)+",0"});
             } else {
               if (!svg) {svg = this.HTMLsvg(stack,H,D,W,t,values.mathcolor)}
               this.HTMLsvgElement(svg.firstChild,"line",{
@@ -149,7 +150,7 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
           case MML.NOTATION.UPDIAGONALARROW:
             if (HTMLCSS.useVML) {
               if (!vml) {vml = this.HTMLvml(stack,H,D,W,t,values.mathcolor)}
-              var line = this.HTMLvmlElement(vml,"line",{from: "0,"+this.HTMLpx(H+D-t), to: this.HTMLpx(W)+","+this.HTMLpx(t)});
+              line = this.HTMLvmlElement(vml,"line",{from: "0,"+this.HTMLpx(H+D-t), to: this.HTMLpx(W)+","+this.HTMLpx(t)});
               this.HTMLvmlElement(line,"stroke",{endarrow:"classic"});
             } else {
               if (!svg) {svg = this.HTMLsvg(stack,H,D,W,t,values.mathcolor)}
diff --git a/unpacked/jax/output/NativeMML/jax.js b/unpacked/jax/output/NativeMML/jax.js
index 79213ff17..7e38c035e 100644
--- a/unpacked/jax/output/NativeMML/jax.js
+++ b/unpacked/jax/output/NativeMML/jax.js
@@ -902,6 +902,7 @@
     MML.math.Augment({
       toNativeMML: function (parent) {
         var tag = this.NativeMMLelement(this.type), math = tag, jax;
+        var i, m;
         nMML.adjustWidths = [];
         //
         //  Some browsers don't seem to add the xmlns attribute, so do it by hand.
@@ -916,7 +917,7 @@
         //
         //  Add the children
         //
-        for (var i = 0, m = this.data.length; i < m; i++) {
+        for (i = 0, m = this.data.length; i < m; i++) {
           if (this.data[i]) {this.data[i].toNativeMML(tag)}
             else {tag.appendChild(this.NativeMMLelement("mrow"))}
         }
@@ -969,8 +970,8 @@
           //  fix them up.  Use ex's so that they print properly (see above).
           //
           var mtd = [];
-          for (var i = 0, m = nMML.adjustWidths.length; i < m; i++) {
-            var tag = nMML.adjustWidths[i];
+          for (i = 0, m = nMML.adjustWidths.length; i < m; i++) {
+            tag = nMML.adjustWidths[i];
             var style = tag.getAttribute("style") || "";
             if (!style.match(/(^|;)\s*min-width:/)) {
               mtd.push(tag.scrollWidth);
@@ -1215,11 +1216,11 @@
         //
         // Process the postscript pairs
         //
-        var m = this.data.length, i;
+        var m = this.data.length, i, msubsup;
         for (i = 1; i < m; i+=2) {
           if (this.data[i].type === "mprescripts") break;
 
-          var msubsup = this.NativeMMLelement("msubsup");
+          msubsup = this.NativeMMLelement("msubsup");
           msubsup.appendChild(base);
 
           //
@@ -1243,7 +1244,7 @@
         // Process the prescript pairs
         //
         for (i++; i < m; i+=2) {
-          var msubsup = this.NativeMMLelement("msubsup");
+          msubsup = this.NativeMMLelement("msubsup");
           msubsup.appendChild(this.NativeMMLelement("mrow"));
 
           //
diff --git a/unpacked/jax/output/SVG/autoload/menclose.js b/unpacked/jax/output/SVG/autoload/menclose.js
index f37a2775e..8bd15fa0d 100644
--- a/unpacked/jax/output/SVG/autoload/menclose.js
+++ b/unpacked/jax/output/SVG/autoload/menclose.js
@@ -116,7 +116,7 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
 
       // perform some reduction e.g. eliminate duplicate notations.
       var nl = MathJax.Hub.SplitList(values.notation), notation = {};
-      for (var i = 0, m = nl.length; i < m; i++) notation[nl[i]] = true;
+      for (i = 0, m = nl.length; i < m; i++) notation[nl[i]] = true;
       if (notation[MML.NOTATION.UPDIAGONALARROW]) notation[MML.NOTATION.UPDIAGONALSTRIKE] = false;
       
       for (var n in notation) {