--- a/dwtx/jface/text/DefaultTextHover.d	Sun Aug 24 01:52:31 2008 +0200
+++ b/dwtx/jface/text/DefaultTextHover.d	Sun Aug 24 02:20:40 2008 +0200
@@ -166,7 +166,7 @@
 
 /**
  * Standard implementation of {@link dwtx.jface.text.ITextHover}.
- * 
+ *
  * @since 3.2
  */
 public class DefaultTextHover : ITextHover {
@@ -176,14 +176,14 @@
 
     /**
      * Creates a new annotation hover.
-     * 
+     *
      * @param sourceViewer this hover's annotation model
      */
     public this(ISourceViewer sourceViewer)  {
         Assert.isNotNull(sourceViewer);
         fSourceViewer= sourceViewer;
     }
-    
+
     /*
      * @see dwtx.jface.text.ITextHover#getHoverInfo(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion)
      */
@@ -191,7 +191,7 @@
         IAnnotationModel model= getAnnotationModel(fSourceViewer);
         if (model is null)
             return null;
-        
+
         Iterator e= model.getAnnotationIterator();
         while (e.hasNext()) {
             Annotation a= cast(Annotation) e.next();
@@ -204,7 +204,7 @@
                 }
             }
         }
-        
+
         return null;
     }
 
@@ -214,26 +214,26 @@
     public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
         return findWord(textViewer.getDocument(), offset);
     }
-    
+
     /**
      * Tells whether the annotation should be included in
      * the computation.
-     * 
+     *
      * @param annotation the annotation to test
      * @return <code>true</code> if the annotation is included in the computation
      */
     protected bool isIncluded(Annotation annotation) {
         return true;
     }
-    
+
     private IAnnotationModel getAnnotationModel(ISourceViewer viewer) {
-        if (viewer instanceof ISourceViewerExtension2) {
+        if (cast(ISourceViewerExtension2)viewer ) {
             ISourceViewerExtension2 extension= cast(ISourceViewerExtension2) viewer;
             return extension.getVisualAnnotationModel();
         }
         return viewer.getAnnotationModel();
     }
-    
+
     private IRegion findWord(IDocument document, int offset) {
         int start= -2;
         int end= -1;