@@ -89,14 +89,18 @@
 	return nil
 }
 
-// implements gomponent.Node
 func (p *Post) Render(w io.Writer) error {
 	return markdown.Convert(p.content, w)
 }
 
+// implements [io.WriterTo]
+func (p *Post) WriteTo(w io.Writer) (int64, error) {
+	return 0, markdown.Convert(p.content, w)
+}
+
 func (p *Post) RenderString() (string, error) {
 	var buf bytes.Buffer
-	if err := p.Render(&buf); err != nil {
+	if _, err := p.WriteTo(&buf); err != nil {
 		return "", fault.Wrap(err, fmsg.With("could not convert markdown content"))
 	}