--- a/Collection.st	Thu Jan 26 13:01:28 2017 +0100
+++ b/Collection.st	Thu Jan 26 13:51:46 2017 +0100
@@ -273,7 +273,6 @@
     ^ self newWithSize:n
 ! !
 
-
 !Collection class methodsFor:'Signal constants'!
 
 emptyCollectionSignal
@@ -550,7 +549,6 @@
     "Created: / 22-10-2008 / 21:29:27 / cg"
 ! !
 
-
 !Collection methodsFor:'accessing'!
 
 anElement
@@ -2750,7 +2748,7 @@
         "Note that there is no way to get the first element 
          which works for all kinds of Collections.  
          Must therefore test every one (maxValue is nil for the first element)."
-        (maxValue == nil or:[val > maxValue]) ifTrue: [
+        (maxValue isNil or:[val > maxValue]) ifTrue: [
            maxElement := each.
            maxValue := val
         ]
@@ -2778,7 +2776,7 @@
         "Note that there is no way to get the first element 
          which works for all kinds of Collections.  
          Must therefore test every one (minValue is nil for the first element)."
-        (minValue == nil or:[val < minValue]) ifTrue: [
+        (minValue isNil or:[val < minValue]) ifTrue: [
            minElement := each.
            minValue := val
         ]
@@ -6012,7 +6010,6 @@
     ^ aVisitor visitCollection:self with:aParameter
 ! !
 
-
 !Collection class methodsFor:'documentation'!
 
 version