diff --git a/ChangeLog b/ChangeLog
index dfff04a10..b19467c99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1999-06-24  Adam Fedor  <fedor@gnu.org>
+
+	* Source/include/GSIArray.h (GSIArrayRemoveLastItem): New function.
+	(GSIArrayLastItem): Likewise.
+	(GSIArrayCopyWithZone): Likewise.
+
 Tue Jun 22 16:15:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
 
 	* Source/NSThread.m: Various changes to tidy up notification handling
diff --git a/Headers/gnustep/base/GSIArray.h b/Headers/gnustep/base/GSIArray.h
index bbed61dbe..cc96e1dca 100644
--- a/Headers/gnustep/base/GSIArray.h
+++ b/Headers/gnustep/base/GSIArray.h
@@ -313,6 +313,16 @@ GSIArrayRemoveItemAtIndex(GSIArray array, unsigned index)
   GSI_ARRAY_RELEASE(tmp);
 }
 
+static INLINE void
+GSIArrayRemoveLastItem(GSIArray array)
+{
+#ifdef	GSI_ARRAY_CHECKS
+  NSCAssert(array->count, NSInvalidArgumentException);
+#endif
+  GSI_ARRAY_RELEASE(array->ptr[array->count-1]);
+  array->count--;
+}
+
 static INLINE void
 GSIArrayRemoveItemAtIndexNoRelease(GSIArray array, unsigned index)
 {
@@ -348,6 +358,15 @@ GSIArrayItemAtIndex(GSIArray array, unsigned index)
   return array->ptr[index];
 }
 
+static INLINE GSIArrayItem
+GSIArrayLastItem(GSIArray array)
+{
+#ifdef	GSI_ARRAY_CHECKS
+  NSCAssert(array->count, NSInvalidArgumentException);
+#endif
+  return array->ptr[array->count-1];
+}
+
 static INLINE void
 GSIArrayClear(GSIArray array)
 {
@@ -423,3 +442,18 @@ GSIArrayInitWithZoneAndCapacity(GSIArray array, NSZone *zone, size_t capacity)
   return array;
 }
 
+static INLINE GSIArray
+GSIArrayCopyWithZone(GSIArray array, NSZone *zone)
+{
+  int i;
+  GSIArray new;
+  new = NSZoneMalloc(zone, sizeof(GSIArray_t));
+  GSIArrayInitWithZoneAndCapacity(new, zone, array->count);
+
+  for (i = 0; i < array->count; i++)
+    {
+      GSI_ARRAY_RETAIN(array->ptr[i]);
+      new->ptr[new->count++] = array->ptr[i];
+    }
+  return new;
+}
diff --git a/Source/NSNotificationCenter.m b/Source/NSNotificationCenter.m
index be11e39bc..40ac9c960 100644
--- a/Source/NSNotificationCenter.m
+++ b/Source/NSNotificationCenter.m
@@ -87,6 +87,7 @@ static void FreeList(Observation *list)
 static void *RetainObs(Observation *o)
 {
   o->retained++;
+  return o;
 }
 
 static unsigned oHash(void* t, Observation *o)