diff --git a/collects/mred/edit.ss b/collects/mred/edit.ss
index f05e9180..a1d220a4 100644
--- a/collects/mred/edit.ss
+++ b/collects/mred/edit.ss
@@ -1,12 +1,12 @@
 (define mred:edit@
   (unit/sig mred:edit^
-    (import ([unit mred:debug : mred:debug^]
-	     [unit mred:finder : mred:finder^]
-	     [unit mred:path-utils : mred:path-utils^]
-	     [unit mred:mode : mred:mode^]
-	     [unit mred:scheme-paren : mred:scheme-paren^]
-	     [unit mred:keymap : mred:keymap^]
-	     [unit mzlib:function : mzlib:function^]))
+    (import [mred:debug : mred:debug^]
+	    [mred:finder : mred:finder^]
+	    [mred:path-utils : mred:path-utils^]
+	    [mred:mode : mred:mode^]
+	    [mred:scheme-paren : mred:scheme-paren^]
+	    [mred:keymap : mred:keymap^]
+	    [mzlib:function : mzlib:function^])
 	    
     (mred:debug:printf 'invoke "mred:edit@")
 
diff --git a/collects/mred/exit.ss b/collects/mred/exit.ss
index 8e611e28..e029c420 100644
--- a/collects/mred/exit.ss
+++ b/collects/mred/exit.ss
@@ -1,6 +1,6 @@
 (define mred:exit@
   (unit/sig mred:exit^
-    (import ([unit mred:debug : mred:debug^]))
+    (import [mred:debug : mred:debug^])
     (rename (-exit exit))
 
     (mred:debug:printf 'invoke "mred:exit@")
diff --git a/collects/mred/finder.ss b/collects/mred/finder.ss
index b836e10e..d7e726ea 100644
--- a/collects/mred/finder.ss
+++ b/collects/mred/finder.ss
@@ -1,9 +1,9 @@
 (define mred:finder@
   (unit/sig mred:finder^
-    (import ([unit mred:debug : mred:debug^]
-	     [unit mzlib:string : mzlib:string^]
-	     [unit mzlib:function : mzlib:function^]
-	     [unit mzlib:file : mzlib:file^]))
+    (import [mred:debug : mred:debug^]
+	    [mzlib:string : mzlib:string^]
+	    [mzlib:function : mzlib:function^]
+	    [mzlib:file : mzlib:file^])
 	    
     (mred:debug:printf 'invoke "mred:finder@")
 
diff --git a/collects/mred/keys.ss b/collects/mred/keys.ss
index bfed8ef7..d0f1c0d3 100644
--- a/collects/mred/keys.ss
+++ b/collects/mred/keys.ss
@@ -1,10 +1,10 @@
 (define mred:keymap@
   (unit/sig mred:keymap^
-    (import ([unit mred:debug : mred:debug^]
-	     [unit mred:finder : mred:finder^]
-	     [unit mred:handler : mred:handler^]
-	     [unit mred:find-string : mred:find-string^]
-	     [unit mred:scheme-paren : mred:scheme-paren^]))
+    (import [mred:debug : mred:debug^]
+	    [mred:finder : mred:finder^]
+	    [mred:handler : mred:handler^]
+	    [mred:find-string : mred:find-string^]
+	    [mred:scheme-paren : mred:scheme-paren^])
 	    
     (mred:debug:printf 'invoke "mred:keymap@")
 
diff --git a/collects/mred/prefs.ss b/collects/mred/prefs.ss
index 7b3adc00..f238e105 100644
--- a/collects/mred/prefs.ss
+++ b/collects/mred/prefs.ss
@@ -7,9 +7,9 @@
 
 (define mred:preferences@
   (unit/sig mred:preferences^
-    (import ([unit mred:debug : mred:debug^]
-	     [unit mred:exn : mred:exn^]
-	     [unit mzlib:function : mzlib:function^]))
+    (import [mred:debug : mred:debug^]
+	    [mred:exn : mred:exn^]
+	    [mzlib:function : mzlib:function^])
     
     (mred:debug:printf 'invoke "mred:preferences@")