diff -r a1ae877b438d -r c60984c46f9f exports.h
--- a/exports.h	Tue Oct 23 13:05:22 2007 +0000
+++ b/exports.h	Thu Nov 08 15:28:03 2007 +0000
@@ -46,7 +46,7 @@
 public:
 	ExportASCII();
 	virtual void doExport();
-	virtual QString underline (QString &text, QString &line);
+	virtual QString underline (const QString &text, const QString &line);
 };
 
 ///////////////////////////////////////////////////////////////////////