\b HTML.
-\b Windows Help.
-
\b Unix \cw{man} page format.
\b GNU \c{info} format.
\b PostScript.
+\b Old-style Windows Help (\cw{.HLP}).
+
+(By setting suitable options, the HTML output can also be made
+suitable for feeding to the newer-style Windows HTML Help compiler.)
+
\H{intro-features} Features supported by Halibut
Here's a list of Halibut's notable features.