--- /usr/portage/app-office/lyx/lyx-1.4.2.ebuild	2006-10-16 16:35:28.000000000 +1000
+++ lyx-1.4.2-r1.ebuild	2006-11-17 07:20:35.000000000 +1100
@@ -18,7 +18,7 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc ~ppc64 ~sparc ~x86"
-IUSE="cjk cups debug gtk nls qt3 gnome"
+IUSE="cjk cups debug gtk nls qt3 gnome html docbook"
 
 RDEPEND="|| (
 		virtual/x11
@@ -31,11 +31,11 @@
 	)
 	virtual/ghostscript
 	virtual/aspell-dict
-	dev-tex/latex2html
+	html? ( dev-tex/latex2html )
 	dev-tex/dvipost
 	media-gfx/imagemagick
 	cups? ( virtual/lpr )
-	app-text/sgmltools-lite
+	docbook? ( app-text/sgmltools-lite )
 	app-text/noweb
 	dev-tex/chktex"
 
@@ -175,4 +175,20 @@
 		einfo "on the 2nd head if not using qt (maybe due to a xforms bug). See bug #40392."
 		einfo ""
 	fi
+
+	if ! use html ; then
+		einfo ""
+		einfo "You disabled LaTeX to HTML conversion."
+		einfo "To be able to convert LaTeX documents into HTML documents,"
+		einfo "install dev-tex/latex2html and reconfigure LyX using the"
+		einfo "Tools->Reconfigure menu, or recompile LyX with USE=html"
+		einfo ""
+	fi
+
+	if ! use docbook ; then
+		einfo "You disabled support for editing Docbook SGML documents."
+		einfo "To enable support for Docbook SGML documents, install"
+		einfo "app-text/sgmtools-lite and reconfigure LyX using the"
+		einfo "Tools->Reconfigure menu, or recompile LyX with USE=docbook"
+	fi
 }