diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 045daed31..fa2587e34 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,5 +1,8 @@
 # Changelog
 
+## 15.3.1 / 2020-11-24
+- Bugfix: styling correctly applied to interpolation punctuation
+
 ## 15.3.0 / 2020-10-29
 - Updated prismjs (1.22.0) and refractor (3.2.0)
 - Updated prism-themes (1.5.0)
diff --git a/demo/build/demo-build.js b/demo/build/demo-build.js
index e70df188a..0787a244f 100644
--- a/demo/build/demo-build.js
+++ b/demo/build/demo-build.js
@@ -76401,21 +76401,26 @@ __webpack_require__.r(__webpack_exports__);
  // Get all possible permutations of all power sets
 //
 // Super simple, non-algorithmic solution since the
-// number of class names will not be greater than 3
+// number of class names will not be greater than 4
 
 function powerSetPermutations(arr) {
-  if (arr.length === 0 || arr.length === 1) return arr;
+  var arrLength = arr.length;
+  if (arrLength === 0 || arrLength === 1) return arr;
 
-  if (arr.length === 2) {
+  if (arrLength === 2) {
     // prettier-ignore
     return [arr[0], arr[1], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0])];
   }
 
-  if (arr.length >= 3) {
-    // Currently does not support more than 3 extra
-    // class names (after `.token` has been removed)
+  if (arrLength === 3) {
     return [arr[0], arr[1], arr[2], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
   }
+
+  if (arrLength >= 4) {
+    // Currently does not support more than 4 extra
+    // class names (after `.token` has been removed)
+    return [arr[0], arr[1], arr[2], arr[3], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3]), "".concat(arr[3], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
+  }
 }
 
 var classNameCombinations = {};
diff --git a/demo/build/diff-build.js b/demo/build/diff-build.js
index c6b0bec79..b5fde5638 100644
--- a/demo/build/diff-build.js
+++ b/demo/build/diff-build.js
@@ -76273,21 +76273,26 @@ __webpack_require__.r(__webpack_exports__);
  // Get all possible permutations of all power sets
 //
 // Super simple, non-algorithmic solution since the
-// number of class names will not be greater than 3
+// number of class names will not be greater than 4
 
 function powerSetPermutations(arr) {
-  if (arr.length === 0 || arr.length === 1) return arr;
+  var arrLength = arr.length;
+  if (arrLength === 0 || arrLength === 1) return arr;
 
-  if (arr.length === 2) {
+  if (arrLength === 2) {
     // prettier-ignore
     return [arr[0], arr[1], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0])];
   }
 
-  if (arr.length >= 3) {
-    // Currently does not support more than 3 extra
-    // class names (after `.token` has been removed)
+  if (arrLength === 3) {
     return [arr[0], arr[1], arr[2], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
   }
+
+  if (arrLength >= 4) {
+    // Currently does not support more than 4 extra
+    // class names (after `.token` has been removed)
+    return [arr[0], arr[1], arr[2], arr[3], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3]), "".concat(arr[3], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
+  }
 }
 
 var classNameCombinations = {};
diff --git a/demo/build/prism-build.js b/demo/build/prism-build.js
index 6e725656f..ba47e0299 100644
--- a/demo/build/prism-build.js
+++ b/demo/build/prism-build.js
@@ -43276,21 +43276,26 @@ __webpack_require__.r(__webpack_exports__);
  // Get all possible permutations of all power sets
 //
 // Super simple, non-algorithmic solution since the
-// number of class names will not be greater than 3
+// number of class names will not be greater than 4
 
 function powerSetPermutations(arr) {
-  if (arr.length === 0 || arr.length === 1) return arr;
+  var arrLength = arr.length;
+  if (arrLength === 0 || arrLength === 1) return arr;
 
-  if (arr.length === 2) {
+  if (arrLength === 2) {
     // prettier-ignore
     return [arr[0], arr[1], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0])];
   }
 
-  if (arr.length >= 3) {
-    // Currently does not support more than 3 extra
-    // class names (after `.token` has been removed)
+  if (arrLength === 3) {
     return [arr[0], arr[1], arr[2], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
   }
+
+  if (arrLength >= 4) {
+    // Currently does not support more than 4 extra
+    // class names (after `.token` has been removed)
+    return [arr[0], arr[1], arr[2], arr[3], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3]), "".concat(arr[3], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
+  }
 }
 
 var classNameCombinations = {};
diff --git a/demo/build/prismAsyncLight-build.js b/demo/build/prismAsyncLight-build.js
index 2ddf507fd..f35dcd808 100644
--- a/demo/build/prismAsyncLight-build.js
+++ b/demo/build/prismAsyncLight-build.js
@@ -43297,21 +43297,26 @@ __webpack_require__.r(__webpack_exports__);
  // Get all possible permutations of all power sets
 //
 // Super simple, non-algorithmic solution since the
-// number of class names will not be greater than 3
+// number of class names will not be greater than 4
 
 function powerSetPermutations(arr) {
-  if (arr.length === 0 || arr.length === 1) return arr;
+  var arrLength = arr.length;
+  if (arrLength === 0 || arrLength === 1) return arr;
 
-  if (arr.length === 2) {
+  if (arrLength === 2) {
     // prettier-ignore
     return [arr[0], arr[1], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0])];
   }
 
-  if (arr.length >= 3) {
-    // Currently does not support more than 3 extra
-    // class names (after `.token` has been removed)
+  if (arrLength === 3) {
     return [arr[0], arr[1], arr[2], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
   }
+
+  if (arrLength >= 4) {
+    // Currently does not support more than 4 extra
+    // class names (after `.token` has been removed)
+    return [arr[0], arr[1], arr[2], arr[3], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3]), "".concat(arr[3], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
+  }
 }
 
 var classNameCombinations = {};
diff --git a/demo/build/virtualized-build.js b/demo/build/virtualized-build.js
index 01b45aa5c..4d5781a91 100644
--- a/demo/build/virtualized-build.js
+++ b/demo/build/virtualized-build.js
@@ -109823,21 +109823,26 @@ __webpack_require__.r(__webpack_exports__);
  // Get all possible permutations of all power sets
 //
 // Super simple, non-algorithmic solution since the
-// number of class names will not be greater than 3
+// number of class names will not be greater than 4
 
 function powerSetPermutations(arr) {
-  if (arr.length === 0 || arr.length === 1) return arr;
+  var arrLength = arr.length;
+  if (arrLength === 0 || arrLength === 1) return arr;
 
-  if (arr.length === 2) {
+  if (arrLength === 2) {
     // prettier-ignore
     return [arr[0], arr[1], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0])];
   }
 
-  if (arr.length >= 3) {
-    // Currently does not support more than 3 extra
-    // class names (after `.token` has been removed)
+  if (arrLength === 3) {
     return [arr[0], arr[1], arr[2], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
   }
+
+  if (arrLength >= 4) {
+    // Currently does not support more than 4 extra
+    // class names (after `.token` has been removed)
+    return [arr[0], arr[1], arr[2], arr[3], "".concat(arr[0], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3]), "".concat(arr[3], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[0], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[0], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[1], ".").concat(arr[2], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[1], ".").concat(arr[3], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[0], ".").concat(arr[3], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[3]), "".concat(arr[2], ".").concat(arr[1], ".").concat(arr[3], ".").concat(arr[0]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[2], ".").concat(arr[3], ".").concat(arr[1], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[1], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[0], ".").concat(arr[2], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[0], ".").concat(arr[2]), "".concat(arr[3], ".").concat(arr[1], ".").concat(arr[2], ".").concat(arr[0]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[0], ".").concat(arr[1]), "".concat(arr[3], ".").concat(arr[2], ".").concat(arr[1], ".").concat(arr[0])];
+  }
 }
 
 var classNameCombinations = {};
diff --git a/package-lock.json b/package-lock.json
index 2d89c856d..bb1ffcacc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "react-syntax-highlighter",
-  "version": "15.2.1",
+  "version": "15.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 117f1e97b..85dea85dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-syntax-highlighter",
-  "version": "15.3.0",
+  "version": "15.3.1",
   "description": "syntax highlighting component for react with prismjs or highlightjs ast using inline styles",
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",