% local data, viewlibrary, page_info, session = ... require("viewfunctions") %> <% if (data.graph.width) then %>
<%= data.descr %>
<% else %>Please check if your syntax is right.
Read http://oss.oetiker.ch/rrdtool/doc/rrdgraph.en.html for help.
<% io.write(tostring(data.value)) %>
<% end %>