diff -r 0a2f744e008a -r 858ab9a9b047 src/ZF/constructor.thy
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ZF/constructor.thy	Tue Nov 16 14:24:21 1993 +0100
@@ -0,0 +1,3 @@
+(*Dummy theory to document dependencies *)
+
+constructor = "ind_syntax"
\ No newline at end of file