remove compilation warnings

diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleDocumentPartitioner.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleDocumentPartitioner.java
index 1e27daf..ab6d5b9 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleDocumentPartitioner.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleDocumentPartitioner.java

@@ -717,10 +717,10 @@
 	protected void checkOverflow() {
 		if (fHighWaterMark >= 0) {
 			if (fDocument.getLength() > fHighWaterMark) {
-				int lineDifference = 0;
+//				int lineDifference = 0;
 				if (fLineNotifier != null) {
 //					int processed = fLineNotifier.getLinesProcessed();
-					int numLines = fDocument.getNumberOfLines();
+//					int numLines = fDocument.getNumberOfLines();
 //					lineDifference = numLines - processed;
 				}
 				int overflow = fDocument.getLength() - fLowWaterMark; 

diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleLineNotifier.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleLineNotifier.java
index df086e8..77c9d71 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleLineNotifier.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/console/ConsoleLineNotifier.java

@@ -39,7 +39,7 @@
 	 */
 	private IConsole fConsole = null;
 
-    private String[] lineDelimiters;
+//    private String[] lineDelimiters;
 	
 	
 	/**
@@ -54,7 +54,7 @@
 			IConsoleLineTracker listener = (IConsoleLineTracker)listeners[i];
 			listener.init(console);
 		}
-		lineDelimiters = fConsole.getDocument().getLegalLineDelimiters();
+//		lineDelimiters = fConsole.getDocument().getLegalLineDelimiters();
 		fConsole.addPatternMatchListener(this);
 	}
 	
@@ -117,7 +117,7 @@
      * @see org.eclipse.ui.console.IPatternMatchListener#getPattern()
      */
     public String getPattern() {
-    	return ".*\n";
+    	return ".*\n"; //$NON-NLS-1$
     }
 
 	/* (non-Javadoc)
@@ -134,7 +134,7 @@
         try  {
             IDocument document = fConsole.getDocument();
             String text = document.get(event.getOffset(), event.getLength());
-            text = text.replaceAll("[\r\n]", "");
+            text = text.replaceAll("[\r\n]", "");  //$NON-NLS-1$//$NON-NLS-2$
             Region region = new Region(event.getOffset(), text.length()); 
             lineAppended(region);
         } catch (BadLocationException e) {}