' src='<%= url_for(:controller => 'wiki_external_filter', :action => 'filter', :macro => macro, :name => name, :index => 0) %>' alt='<%= h source %>' />
<%
content_for :header_tags do
if not @svg_scripts_included
@svg_scripts_included = true
%>
<%= javascript_include_tag 'css_browser_selector.js', :plugin => 'wiki_external_filter' %>
<%
end
end
%>