file.template.settings.xml

<application>
  <component name="ExportableFileTemplateSettings">
    <internal_templates>
      <template name="HTML File.html" reformat="true" live-template-enabled="true" enabled="true" />
      <template name="HTML4 File.html" reformat="true" live-template-enabled="true" enabled="true" />
      <template name="XHTML File.xhtml" reformat="true" live-template-enabled="true" enabled="true" />
    </internal_templates>
  </component>
</application>