Report, which font is missing to aid the user trying to configure things.
--- src/FontLoader.C	Thu Mar 21 12:25:07 2002
+++ src/FontLoader.C	Thu Aug  1 10:44:19 2002
@@ -302,3 +302,4 @@
 		} else {
-			lyxerr << "Could not get font. Using 'fixed'." << endl;
+			lyxerr << "Could not get font '" << font.c_str() <<
+				"'. Using 'fixed'." << endl;
 			fs = XLoadQueryFont(GUIRunTime::x11Display(), "fixed");