diff --git a/src/buildHTML.js b/src/buildHTML.js
index 8255b01..e12b917 100644
--- a/src/buildHTML.js
+++ b/src/buildHTML.js
@@ -113,8 +113,10 @@ var getTypeOfDomTree = function(node) {
                 node.children[node.children.length - 1]);
         }
     } else {
-        if (utils.contains(["mord", "mop", "mbin", "mrel", "mopen", "mclose",
-                            "mpunct", "minner"], node.classes[0])) {
+        if (utils.contains([
+            "mord", "mop", "mbin", "mrel", "mopen", "mclose",
+            "mpunct", "minner",
+        ], node.classes[0])) {
             return node.classes[0];
         }
     }
@@ -723,8 +725,7 @@ groupTypes.spacing = function(group, options) {
         // Other kinds of spaces are of arbitrary width. We use CSS to
         // generate these.
         return makeSpan(
-            ["mspace",
-             buildCommon.spacingFunctions[group.value].className],
+            ["mspace", buildCommon.spacingFunctions[group.value].className],
             [], options);
     }
 };
diff --git a/src/buildMathML.js b/src/buildMathML.js
index 6c17d41..fdea803 100644
--- a/src/buildMathML.js
+++ b/src/buildMathML.js
@@ -194,8 +194,10 @@ groupTypes.supsub = function(group, options) {
 groupTypes.genfrac = function(group, options) {
     var node = new mathMLTree.MathNode(
         "mfrac",
-        [buildGroup(group.value.numer, options),
-         buildGroup(group.value.denom, options)]);
+        [
+            buildGroup(group.value.numer, options),
+            buildGroup(group.value.denom, options),
+        ]);
 
     if (!group.value.hasBarLine) {
         node.setAttribute("linethickness", "0px");
@@ -298,8 +300,7 @@ groupTypes.accent = function(group, options) {
 
     var node = new mathMLTree.MathNode(
         "mover",
-        [buildGroup(group.value.base, options),
-         accentNode]);
+        [buildGroup(group.value.base, options), accentNode]);
 
     node.setAttribute("accent", "true");
 
@@ -451,8 +452,7 @@ groupTypes.overline = function(group, options) {
 
     var node = new mathMLTree.MathNode(
         "mover",
-        [buildGroup(group.value.body, options),
-         operator]);
+        [buildGroup(group.value.body, options), operator]);
     node.setAttribute("accent", "true");
 
     return node;
@@ -465,8 +465,7 @@ groupTypes.underline = function(group, options) {
 
     var node = new mathMLTree.MathNode(
         "munder",
-        [buildGroup(group.value.body, options),
-         operator]);
+        [buildGroup(group.value.body, options), operator]);
     node.setAttribute("accentunder", "true");
 
     return node;