Fuzz more code paths

fuzz/fuzz.go

@@ -5,19 +5,28 @@ import (
 
 	"github.com/yuin/goldmark"
 	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/parser"
 	"github.com/yuin/goldmark/renderer/html"
 )
 
 // Fuzz runs automated fuzzing against goldmark.
 func Fuzz(data []byte) int {
 	markdown := goldmark.New(
+		goldmark.WithParserOptions(
+			parser.WithAutoHeadingID(),
+			parser.WithAttribute(),
+		),
 		goldmark.WithRendererOptions(
 			html.WithUnsafe(),
+			html.WithXHTML(),
 		),
 		goldmark.WithExtensions(
 			extension.DefinitionList,
 			extension.Footnote,
 			extension.GFM,
+			extension.Linkify,
+			extension.Table,
+			extension.TaskList,
 			extension.Typographer,
 		),
 	)