--- /dev/null
+"use strict";
+
+const punctuationSets = {};
+
+punctuationSets.mediaFeaturePunctuation = new Set([
+ ":",
+ "=",
+ ">",
+ ">=",
+ "<",
+ "<="
+]);
+
+punctuationSets.nonSpaceCombinators = new Set([">", "+", "~", ">>>", "/deep/"]);
+
+module.exports = punctuationSets;