--- a/dwtx/jface/text/source/projection/ProjectionViewer.d	Sun Aug 24 02:22:48 2008 +0200
+++ b/dwtx/jface/text/source/projection/ProjectionViewer.d	Sun Aug 24 02:26:23 2008 +0200
@@ -343,7 +343,7 @@
      * @param model the model to which the projection annotation model is added
      */
     private void addProjectionAnnotationModel(IAnnotationModel model) {
-        if (model instanceof IAnnotationModelExtension) {
+        if ( cast(IAnnotationModelExtension)model ) {
             IAnnotationModelExtension extension= cast(IAnnotationModelExtension) model;
             extension.addAnnotationModel(ProjectionSupport.PROJECTION, fProjectionAnnotationModel);
             model.addAnnotationModelListener(fAnnotationModelListener);
@@ -357,7 +357,7 @@
      * @return the removed projection annotation model or <code>null</code> if there was none
      */
     private IAnnotationModel removeProjectionAnnotationModel(IAnnotationModel model) {
-        if (model instanceof IAnnotationModelExtension) {
+        if ( cast(IAnnotationModelExtension)model ) {
             model.removeAnnotationModelListener(fAnnotationModelListener);
             IAnnotationModelExtension extension= cast(IAnnotationModelExtension) model;
             return extension.removeAnnotationModel(ProjectionSupport.PROJECTION);
@@ -402,7 +402,7 @@
      */
     public ProjectionAnnotationModel getProjectionAnnotationModel() {
         IAnnotationModel model= getVisualAnnotationModel();
-        if (model instanceof IAnnotationModelExtension) {
+        if ( cast(IAnnotationModelExtension)model ) {
             IAnnotationModelExtension extension= cast(IAnnotationModelExtension) model;
             return cast(ProjectionAnnotationModel) extension.getAnnotationModel(ProjectionSupport.PROJECTION);
         }
@@ -420,7 +420,7 @@
      * @see dwtx.jface.text.TextViewer#updateSlaveDocument(dwtx.jface.text.IDocument, int, int)
      */
     protected bool updateSlaveDocument(IDocument slaveDocument, int modelRangeOffset, int modelRangeLength)  {
-        if (slaveDocument instanceof ProjectionDocument) {
+        if ( cast(ProjectionDocument)slaveDocument ) {
             ProjectionDocument projection= cast(ProjectionDocument) slaveDocument;
 
             int offset= modelRangeOffset;
@@ -805,12 +805,12 @@
         ProjectionDocument projection= null;
 
         IDocument visibleDocument= getVisibleDocument();
-        if (visibleDocument instanceof ProjectionDocument)
+        if ( cast(ProjectionDocument)visibleDocument )
             projection= cast(ProjectionDocument) visibleDocument;
         else {
             IDocument master= getDocument();
             IDocument slave= createSlaveDocument(getDocument());
-            if (slave instanceof ProjectionDocument) {
+            if ( cast(ProjectionDocument)slave ) {
                 projection= cast(ProjectionDocument) slave;
                 addMasterDocumentRange(projection, 0, master.getLength());
                 replaceVisibleDocument(projection);
@@ -843,7 +843,7 @@
      */
     private void expand(int offset, int length, bool fireRedraw)  {
         IDocument slave= getVisibleDocument();
-        if (slave instanceof ProjectionDocument) {
+        if ( cast(ProjectionDocument)slave ) {
             ProjectionDocument projection= cast(ProjectionDocument) slave;
 
             // expand
@@ -947,7 +947,7 @@
      */
     private bool isVisibleMasterDocumentSameAsDocument() {
         IDocument visibleDocument= getVisibleDocument();
-        return (visibleDocument instanceof ProjectionDocument) && (cast(ProjectionDocument)visibleDocument).getMasterDocument() is getDocument();
+        return ( cast(ProjectionDocument)visibleDocument ) && (cast(ProjectionDocument)visibleDocument).getMasterDocument() is getDocument();
     }
 
     /**
@@ -1134,7 +1134,7 @@
             if (document is null)
                 return null;
 
-            if (position instanceof IProjectionPosition) {
+            if ( cast(IProjectionPosition)position ) {
                 IProjectionPosition projPosition= cast(IProjectionPosition) position;
                 return projPosition.computeProjectionRegions(document);
             }
@@ -1168,7 +1168,7 @@
                 return null;
 
             int captionOffset= position.getOffset();
-            if (position instanceof IProjectionPosition)
+            if ( cast(IProjectionPosition)position )
                 captionOffset+= (cast(IProjectionPosition) position).computeCaptionOffset(document);
 
             IRegion lineInfo= document.getLineInformationOfOffset(captionOffset);
@@ -1225,7 +1225,7 @@
             IDocument master= getDocument();
             if (master !is null) {
                 IDocument slave= manager.createSlaveDocument(master);
-                if (slave instanceof ProjectionDocument) {
+                if ( cast(ProjectionDocument)slave ) {
                     projection= cast(ProjectionDocument) slave;
                     addMasterDocumentRange(projection, 0, master.getLength());
                 }
@@ -1270,7 +1270,7 @@
      */
     public void addVerticalRulerColumn(IVerticalRulerColumn column) {
         IVerticalRuler ruler= getVerticalRuler();
-        if (ruler instanceof CompositeRuler) {
+        if ( cast(CompositeRuler)ruler ) {
             CompositeRuler compositeRuler= cast(CompositeRuler) ruler;
             compositeRuler.addDecorator(99, column);
         }
@@ -1283,7 +1283,7 @@
      */
     public void removeVerticalRulerColumn(IVerticalRulerColumn column) {
         IVerticalRuler ruler= getVerticalRuler();
-        if (ruler instanceof CompositeRuler) {
+        if ( cast(CompositeRuler)ruler ) {
             CompositeRuler compositeRuler= cast(CompositeRuler) ruler;
             compositeRuler.removeDecorator(column);
         }
@@ -1405,7 +1405,7 @@
         if (fInformationMapping is null)
             return new IRegion[] { new Region(modelRange.getOffset(), modelRange.getLength()) };
 
-        if (fInformationMapping instanceof IDocumentInformationMappingExtension) {
+        if ( cast(IDocumentInformationMappingExtension)fInformationMapping ) {
             IDocumentInformationMappingExtension extension= cast(IDocumentInformationMappingExtension) fInformationMapping;
             try {
                 return extension.getExactCoverage(modelRange);