tags
----
<% tags.each do |tag| -%>
<%= tag %>
<% end -%>

classes
-------
<% classes.each do |cls| -%>
<%= cls %>
<% end -%>

variables
-------
<% scope.to_hash.keys.each do |var| -%>
<%= var -%> => <%= scope.lookupvar(var) %>
<% end -%>
