No grammar constraints (DTD or XML schema) detected for the document

Question

I have this dtd : http://fast-code.sourceforge.net/template.dtd But when I include in an xml I get the warning : No grammar constraints (DTD or XML schema) detected for the

Answer 1

Solved this issue in Eclipse 3.5.2. Two completely identical layouts of which one had the warning. Closed down all tabs and when reopening the warning had disappeared.