Index: SubversionChangeLogSet.java
===================================================================
--- SubversionChangeLogSet.java	(revision 37630)
+++ SubversionChangeLogSet.java	(working copy)
@@ -54,6 +54,29 @@
      */
     private Map<String,Long> revisionMap;
 
+      /**
+       * Returns true if Logentries a and b have the same message and revision.
+       */
+    private boolean IsSameRevisionLog( LogEntry a, LogEntry b )
+    {
+      return  a.getRevision() == b.getRevision() && a.getMsg().equals( b.getMsg() );
+    }
+
+      /**
+       * Given a LogEntry List that is already sorted, removes those entries
+       * for which IsSameRevisionLog() returns true, ie those coming form svn:externals.
+       */
+    private List<LogEntry> RemoveDuplicateEntries( List<LogEntry> items )
+    {
+      boolean[] dupSet = new boolean[ items.size() ];
+      for( int i = 0 ; i < items.size() - 1 ; )
+        dupSet[ i ] = IsSameRevisionLog( items.get(  i++ ), items.get(  i ) );
+      for( int i = dupSet.length - 1 ; i >= 0 ;  --i )
+        if( dupSet[ i ] )
+          items.remove( i );
+      return items;
+    }
+
     /*package*/ SubversionChangeLogSet(AbstractBuild build, List<LogEntry> logs) {
         super(build);
         // we want recent changes first
@@ -62,7 +85,7 @@
                 return b.getRevision()-a.getRevision();
             }
         });
-        this.logs = Collections.unmodifiableList(logs);
+        this.logs = Collections.unmodifiableList( RemoveDuplicateEntries( logs ) );
         for (LogEntry log : logs)
             log.setParent(this);
     }