Bug 46805 prepare Compare for encoding support
I20031111 The Compare plugin only supports the global workspace encoding. It does not support encodings per file.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/compare/PropertiesStructureCreator.java
*/
		public String getType() {
			return "txt"; 
		}
		
		/* (non Java doc)
		 * see ITypedElement#getImage
		 */
		public Image getImage() {
			return CompareUI.getImage(getType());
		}
		
		/* (non Java doc)
		 * see IEditableContent.isEditable
		 */
		public boolean isEditable() {
			return fIsEditable;
		}
		
		public void setContent(byte[] content) {
			super.setContent(content);
			nodeChanged(this);
		}
		
		public ITypedElement replace(ITypedElement child, ITypedElement other) {
			ITypedElement e= super.replace(child, other);
			nodeChanged(this);
			return e;
		}
		void nodeChanged(PropertyNode node) {