make NormalizeNewlines() return a copy (fixes #305)

gomarkdown · Mar 28, 2024 · 8d53b25 · 8d53b25
1 parent 1d8abb7
commit 8d53b25
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/parser/parser.go b/parser/parser.go
@@ -907,6 +907,9 @@ func isListItem(d ast.Node) bool {
 }
 
 func NormalizeNewlines(d []byte) []byte {
+	res := make([]byte, 0, len(d))
+	copy(res, d)
+	d = res
 	wi := 0
 	n := len(d)
 	for i := 0; i < n; i++ {