diff -r 628d87767434 -r 08519594b0e4 doc-src/Tutorial/Ifexpr/Makefile
--- a/doc-src/Tutorial/Ifexpr/Makefile	Mon Nov 29 11:12:19 2004 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3 +0,0 @@
-
-Ifexpr.thy: prolog boolex value ifex valif bool2if normif norm normal end
-	cat prolog boolex value ifex valif bool2if normif norm normal end > Ifexpr.thy