diff --git a/unpacked/config/default.js b/unpacked/config/default.js
index db45cf071..084031af7 100644
--- a/unpacked/config/default.js
+++ b/unpacked/config/default.js
@@ -510,7 +510,7 @@ MathJax.Hub.Config({
     //
     //  This is the amound of indentation (from right or left) for the tags.
     //
-    TagIndent: ".8em",
+    TagIndent: "0.8em",
     
     //
     //  This is the width to use for the multline environment
diff --git a/unpacked/jax/output/NativeMML/jax.js b/unpacked/jax/output/NativeMML/jax.js
index 6fa32af71..2189bee01 100644
--- a/unpacked/jax/output/NativeMML/jax.js
+++ b/unpacked/jax/output/NativeMML/jax.js
@@ -495,7 +495,7 @@
         if (!this.attrNames) {
           if (this.type === "mstyle") {defaults = MML.math.prototype.defaults}
           for (var id in defaults) {if (!skip[id] && defaults.hasOwnProperty(id)) {
-	    if (this[id] != null) {tag.setAttribute(id,this.NativeMMLattribute(this[id]))}
+	    if (this[id] != null && this[id] !== defaults[id]) {tag.setAttribute(id,this.NativeMMLattribute(this[id]))}
           }}
         }
 	for (var i = 0, m = copy.length; i < m; i++) {