diff --git a/ChangeLog b/ChangeLog
index a83b224a55..c9e712ec00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-02-21  Jean-Marc Lasgouttes  <Jean-Marc.Lasgouttes@inria.fr>
+
+	* src/insets/insettoc.[Ch] (LinuxDoc, DocBook): mark the methods
+	as const.
+
 2000-02-18  Lars Gullik Bjønnes  <larsbj@lyx.org>
 
 	* WorkArea, Painter, LyXScreen: Fixed the crash that occured on
diff --git a/src/insets/insettoc.C b/src/insets/insettoc.C
index d7da8300c1..10c2e58420 100644
--- a/src/insets/insettoc.C
+++ b/src/insets/insettoc.C
@@ -18,14 +18,14 @@ void InsetTOC::Edit(int, int)
 	current_view->owner()->getLyXFunc()->Dispatch(LFUN_TOCVIEW);
 }
 
-int InsetTOC::Linuxdoc(string & file)
+int InsetTOC::Linuxdoc(string & file) const
 {
 	file += "<toc>";
 	return 0;
 }
 
 
-int InsetTOC::DocBook(string & file)
+int InsetTOC::DocBook(string & file) const
 {
 	file += "<toc></toc>";
 	return 0;
diff --git a/src/insets/insettoc.h b/src/insets/insettoc.h
index a4d48766e4..db4871ff80 100644
--- a/src/insets/insettoc.h
+++ b/src/insets/insettoc.h
@@ -44,9 +44,9 @@ public:
 	///
 	Inset::Code LyxCode() const { return Inset::TOC_CODE; }
 	///
-	int Linuxdoc(string & file);
+	int Linuxdoc(string & file) const;
 	///
-	int DocBook(string & file);
+	int DocBook(string & file) const;
 private:
 	///
 	Buffer * owner;