<%= content_tag :p, "Test 1", :class => 'test', :id => "test1" %>

<%= content_tag :p, "Test 2" %>

<% content_tag(:p, :class => 'test', :id => 'test3') do %>
  <span>Test 3</span>
<% end %>

<% content_tag(:p) do %>
  <span>Test 4</span>
<% end %>

<%= content_tag_with_block %>
