-\preamble Halibut is a free (MIT-licensed) documentation production
-system, able to generate multiple output formats from the same input
-data.
+\cfg{xhtml-contents-filename}{index.html}
+\cfg{xhtml-template-filename}{%k.html}
+\cfg{xhtml-template-fragment}{%k}
+
+\cfg{info-dir-entry}{Documentation}{Halibut}{Multi-format
+documentation processing system}
+
+Halibut is a free (MIT-licensed) documentation production system,
+able to generate multiple output formats from the same input data.
+This document is its user manual.