--- a/Block.st	Thu Nov 03 23:31:40 2016 +0100
+++ b/Block.st	Fri Nov 04 10:31:44 2016 +0100
@@ -3383,7 +3383,8 @@
      a long return), evaluate the argument, aBlock.
      This is used to make certain that cleanup actions (for example closing files etc.) are
      executed regardless of error actions.
-     Same as the more modern #ensure:"
+     Same as the more modern, ANSI standardized #ensure:, 
+     which should be used instead for portability."
 
     <exception: #unwind>
 
@@ -3405,10 +3406,10 @@
 
      f := 'Makefile' asFilename readStream.
      [
-	l := f nextLine.
-	l isNil ifTrue:[^ 'oops']
+        l := f nextLine.
+        l isNil ifTrue:[^ 'oops']
      ] valueNowOrOnUnwindDo:[
-	f close
+        f close
      ]
     "
 
@@ -3419,8 +3420,9 @@
     "evaluate the receiver - when some method sent within unwinds (i.e. does
      a long return), evaluate the argument, aBlock.
      This is used to make certain that cleanup actions (for example closing files etc.) are
-     executed regardless of error actions
-     Same as the more modern #ifCurtailed:"
+     executed regardless of error actions.
+     Same as the more modern, ANSI standardized #ifCurtailed:, 
+     which should be used instead for portability."
 
     <exception: #unwind>
 
@@ -3436,23 +3438,23 @@
 
      s := 'Makefile' asFilename readStream.
      [
-	^ self
+        ^ self
      ] valueOnUnwindDo:[
-	Transcript showCR:'closing the stream - even though a return occurred'.
-	s close
+        Transcript showCR:'closing the stream - even though a return occurred'.
+        s close
      ]
     "
     "
      [
-	 |s|
-
-	 s := 'Makefile' asFilename readStream.
-	 [
-	    Processor activeProcess terminate
-	 ] valueOnUnwindDo:[
-	    Transcript showCR:'closing the stream - even though process was terminated'.
-	    s close
-	 ]
+         |s|
+
+         s := 'Makefile' asFilename readStream.
+         [
+            Processor activeProcess terminate
+         ] valueOnUnwindDo:[
+            Transcript showCR:'closing the stream - even though process was terminated'.
+            s close
+         ]
      ] fork
     "
 ! !