@@ -674,8 +674,11 @@
 
 		local block_renderers = {
 			anchor = function(b,s)
 				return tag('a',{id = getSafeID(b)},null())
+			end;
+			['horiz-rule'] = function(b,s)
+				return elt'hr'
 			end;
 			paragraph = function(b,s)
 				addStyle 'paragraph'
 				return tag('p', nil, sr.htmlSpan(b.spans, b, s), b)