Using Schema FML 1.0.1

The FML XSD is located here.

Your favorite IDE probably supports XSD schema's for .fml files. You need to specify the following:

<faqs xmlns="http://maven.apache.org/FML/1.0.1"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/FML/1.0.1 https://maven.apache.org/xsd/fml-1.0.1.xsd"
  title="...">
...
</faqs>