Fixed slugify behavior.

src/utils/slugify.js

@@ -40,7 +40,7 @@ const accentMap = {
 };
 
 const plainCharRegex = /[a-zA-Z0-9]/;
-const defaultPunctuationRegex = /[.,?!:;&'‘’"“”…()[]{}<>\/*—]/;
+const defaultPunctuationRegex = /[.,?!:;&'‘’"“”…()[\]{}<>/*—]/;
 const defaultSymbolRegex = /[@$€£#%^+=\\~]/;
 
 export default function slugify(strings, delimiter = '-', {
@@ -48,7 +48,7 @@ export default function slugify(strings, delimiter = '-', {
 	lower = true,
 	encode = false,
 	accents: keepAccents = false,
-	punctuation: keepPunctuation = false,
+	punctuation: keepPunctuation = 'split',
 	punctuationRegex = defaultPunctuationRegex,
 	symbols: keepSymbols = false,
 	symbolRegex = defaultSymbolRegex,