app/views/blacklight/hierarchy/_facet_hierarchy.html.erb in blacklight-hierarchy-3.0.0 vs app/views/blacklight/hierarchy/_facet_hierarchy.html.erb in blacklight-hierarchy-4.0.0
- old
+ new
@@ -1 +1 @@
-<ul class="facet-hierarchy">
+<ul class="facet-hierarchy" role="tree">