repo: ensure we render massaged html when in fallback mode

page_repository.go

@@ -72,7 +72,7 @@ func (this *Application) Repopage(w http.ResponseWriter, r *http.Request, repoNa
 		// sufficient to make it work again
 		// Use our own one instead as a fallback
 		buff := bytes.Buffer{}
-		err = goldmark.Convert(readme, &buff)
+		err = goldmark.Convert([]byte(strings.Join(lines, "\n")), &buff)
 
 		if err != nil {
 			// Built-in markdown renderer didn't work either