--- a/lib/scripts/run-mlworks	Fri Sep 15 20:19:24 2000 +0200
+++ b/lib/scripts/run-mlworks	Fri Sep 15 20:20:45 2000 +0200
@@ -6,7 +6,7 @@
 #
 # MLWorks startup script (for 1.0r2 or later).
 
-export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP
+export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE
 
 
 ## diagnostics
--- a/lib/scripts/run-mosml	Fri Sep 15 20:19:24 2000 +0200
+++ b/lib/scripts/run-mosml	Fri Sep 15 20:20:45 2000 +0200
@@ -6,7 +6,7 @@
 #
 # Moscow ML 2.00 startup script
 
-export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP
+export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE
 
 
 ## diagnostics
--- a/lib/scripts/run-polyml	Fri Sep 15 20:19:24 2000 +0200
+++ b/lib/scripts/run-polyml	Fri Sep 15 20:20:45 2000 +0200
@@ -6,7 +6,7 @@
 #
 # Poly/ML startup script.
 
-#tmp export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP
+export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE
 
 
 ## diagnostics
--- a/lib/scripts/run-smlnj	Fri Sep 15 20:19:24 2000 +0200
+++ b/lib/scripts/run-smlnj	Fri Sep 15 20:20:45 2000 +0200
@@ -6,7 +6,7 @@
 #
 # SML/NJ startup script (for 110 or later).
 
-export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP
+export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE
 
 
 ## diagnostics
--- a/lib/scripts/run-smlnj-0.93	Fri Sep 15 20:19:24 2000 +0200
+++ b/lib/scripts/run-smlnj-0.93	Fri Sep 15 20:20:45 2000 +0200
@@ -6,7 +6,7 @@
 #
 # SML/NJ startup script (for 0.93).
 
-export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP
+export -n INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE
 
 
 ## diagnostics