--- a/dwtx/text/undo/DocumentUndoManager.d	Sun Aug 24 01:29:22 2008 +0200
+++ b/dwtx/text/undo/DocumentUndoManager.d	Sun Aug 24 01:46:20 2008 +0200
@@ -150,7 +150,7 @@
         protected void undoTextChange() {
             try {
                 if (fDocumentUndoManager.fDocument instanceof IDocumentExtension4)
-                    ((IDocumentExtension4) fDocumentUndoManager.fDocument).replace(fStart, fText
+                    (cast(IDocumentExtension4) fDocumentUndoManager.fDocument).replace(fStart, fText
                             .length(), fPreservedText, fUndoModificationStamp);
                 else
                     fDocumentUndoManager.fDocument.replace(fStart, fText.length(),
@@ -165,7 +165,7 @@
         public bool canUndo() {
             if (isValid()) {
                 if (fDocumentUndoManager.fDocument instanceof IDocumentExtension4) {
-                    long docStamp= ((IDocumentExtension4) fDocumentUndoManager.fDocument)
+                    long docStamp= (cast(IDocumentExtension4) fDocumentUndoManager.fDocument)
                             .getModificationStamp();
 
                     // Normal case: an undo is valid if its redo will restore
@@ -235,7 +235,7 @@
         public bool canRedo() {
             if (isValid()) {
                 if (fDocumentUndoManager.fDocument instanceof IDocumentExtension4) {
-                    long docStamp= ((IDocumentExtension4) fDocumentUndoManager.fDocument)
+                    long docStamp= (cast(IDocumentExtension4) fDocumentUndoManager.fDocument)
                             .getModificationStamp();
                     return docStamp is IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP
                             || docStamp is getUndoModificationStamp();
@@ -284,7 +284,7 @@
         protected void redoTextChange() {
             try {
                 if (fDocumentUndoManager.fDocument instanceof IDocumentExtension4)
-                    ((IDocumentExtension4) fDocumentUndoManager.fDocument).replace(fStart, fEnd - fStart, fText, fRedoModificationStamp);
+                    (cast(IDocumentExtension4) fDocumentUndoManager.fDocument).replace(fStart, fEnd - fStart, fText, fRedoModificationStamp);
                 else
                     fDocumentUndoManager.fDocument.replace(fStart, fEnd - fStart, fText);
             } catch (BadLocationException x) {
@@ -471,11 +471,11 @@
             if (size > 0) {
                 UndoableTextChange c;
 
-                c= (UndoableTextChange) fChanges.get(0);
+                c= cast(UndoableTextChange) fChanges.get(0);
                 fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fPreservedText, c.fText, uiInfo, DocumentUndoEvent.ABOUT_TO_UNDO, true);
 
                 for (int i= size - 1; i >= 0; --i) {
-                    c= (UndoableTextChange) fChanges.get(i);
+                    c= cast(UndoableTextChange) fChanges.get(i);
                     c.undoTextChange();
                 }
                 fDocumentUndoManager.resetProcessChangeState();
@@ -494,11 +494,11 @@
             if (size > 0) {
 
                 UndoableTextChange c;
-                c= (UndoableTextChange) fChanges.get(size - 1);
+                c= cast(UndoableTextChange) fChanges.get(size - 1);
                 fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fText, c.fPreservedText, uiInfo, DocumentUndoEvent.ABOUT_TO_REDO, true);
 
                 for (int i= 0; i <= size - 1; ++i) {
-                    c= (UndoableTextChange) fChanges.get(i);
+                    c= cast(UndoableTextChange) fChanges.get(i);
                     c.redoTextChange();
                 }
                 fDocumentUndoManager.resetProcessChangeState();
@@ -566,7 +566,7 @@
             if (fStart > -1)
                 return super.getUndoModificationStamp();
             else if (fChanges.size() > 0)
-                return ((UndoableTextChange) fChanges.get(0))
+                return (cast(UndoableTextChange) fChanges.get(0))
                         .getUndoModificationStamp();
 
             return fUndoModificationStamp;
@@ -579,7 +579,7 @@
             if (fStart > -1)
                 return super.getRedoModificationStamp();
             else if (fChanges.size() > 0)
-                return ((UndoableTextChange) fChanges.get(fChanges.size() - 1))
+                return (cast(UndoableTextChange) fChanges.get(fChanges.size() - 1))
                         .getRedoModificationStamp();
 
             return fRedoModificationStamp;
@@ -936,7 +936,7 @@
         DocumentUndoEvent event= new DocumentUndoEvent(fDocument, offset, text, preservedText, eventType, source);
         Object[] listeners= fDocumentUndoListeners.getListeners();
         for (int i= 0; i < listeners.length; i++) {
-            ((IDocumentUndoListener)listeners[i]).documentUndoNotification(event);
+            (cast(IDocumentUndoListener)listeners[i]).documentUndoNotification(event);
         }
     }
 
@@ -1260,14 +1260,14 @@
             // First replace the undo context
             IUndoableOperation op= operations[i];
             if (op instanceof IContextReplacingOperation) {
-                ((IContextReplacingOperation)op).replaceContext(oldUndoContext, getUndoContext());
+                (cast(IContextReplacingOperation)op).replaceContext(oldUndoContext, getUndoContext());
             } else {
                 op.addContext(getUndoContext());
                 op.removeContext(oldUndoContext);
             }
             // Now update the manager that owns the text edit.
             if (op instanceof UndoableTextChange) {
-                ((UndoableTextChange)op).fDocumentUndoManager= this;
+                (cast(UndoableTextChange)op).fDocumentUndoManager= this;
             }
         }
 
@@ -1284,9 +1284,9 @@
         cmd.fStart= cmd.fEnd= 0;
         cmd.fText= cmd.fPreservedText= ""; //$NON-NLS-1$
         if (fDocument instanceof IDocumentExtension4) {
-            cmd.fRedoModificationStamp= ((IDocumentExtension4)fDocument).getModificationStamp();
+            cmd.fRedoModificationStamp= (cast(IDocumentExtension4)fDocument).getModificationStamp();
             if (op !is null)
-                cmd.fUndoModificationStamp= ((UndoableTextChange)op).fRedoModificationStamp;
+                cmd.fUndoModificationStamp= (cast(UndoableTextChange)op).fRedoModificationStamp;
         }
         addToOperationHistory(cmd);
     }