the filter only work in forum_view (forumtype discussions).
for xf2.2 you have to change the template with tms also in forum_view_type_question, forum_view_type_article and forum_view_type_suggestion.
search for:
replace with:
for xf2.2 you have to change the template with tms also in forum_view_type_question, forum_view_type_article and forum_view_type_suggestion.
search for:
Code:
</h2>replace with:
Code:
$0
<xf:include template="prefixess_thread_list_prefix_list" />
