M html.go → html.go

@@ -101,7 +101,7 @@ // table of contents data
 	tocMarker    int
 	headerCount  int
 	currentLevel int
-	toc          *bytes.Buffer
+	toc          bytes.Buffer
 
 	// Track header IDs to prevent ID collision in a single generation.
 	headerIDs map[string]int
@@ -151,10 +151,6 @@ flags:      params.Flags,
 		extensions: params.Extensions,
 		closeTag:   closeTag,
 		parameters: params,
-
-		headerCount:  0,
-		currentLevel: 0,
-		toc:          new(bytes.Buffer),
 
 		headerIDs: make(map[string]int),
 

M markdown.go → markdown.go

@@ -351,7 +351,7 @@ Extensions: CommonExtensions,
 	})
 
 	// set up the parser
-	return Markdown(input, renderer, Options{Extensions: 0})
+	return Markdown(input, renderer, Options{})
 }
 
 // Call Markdown with most useful extensions enabled