--- gforth/startup.fs	1999/01/03 21:48:37	1.28
+++ gforth/startup.fs	1999/01/03 21:54:37	1.29
@@ -51,6 +51,7 @@ require blocks.fs
 require intcomp.fs
 require savesys.fs
 require table.fs
+require backtrace.fs
 
 \ define the environmental queries for all the loaded wordsets
 \ since the blocks wordset is loaded in a single file, its queries