Replace html2bbcode calls by HTML::toBBCode

src/Content/Text/Markdown.php

@@ -94,7 +94,7 @@ class Markdown extends BaseObject
 
 		$s = str_replace('#', '#', $s);
 
-		$s = html2bbcode($s);
+		$s = Friendica\Content\Text\HTML::toBBCode($s);
 
 		// protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
 		$s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);