Bug 74529 [Encoding] Encoding on properties no longer explains encoding
I200409212000 This is a regression from previous builds (e.g. 3.0): along with the encoding on the properties dialog there was an explanation where it came from, e.g. inherited from container, detected from file content. This important information has gone.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceInfoPage.java
*         resource is either not a linked resource or it is not using a
	 *         path variable.
	 */
	private boolean isPathVariable(IResource resource) {
		if (!resource.isLinked())
			return false;
		IPath resolvedLocation = resource.getLocation();
		if (resolvedLocation == null) {
			
			return true;
		}
		IPath rawLocation = resource.getRawLocation();
		if (resolvedLocation.equals(rawLocation))
			return false;
		return true;
	}
	/**
	 * Reset the editableBox to the false.
	 */
	protected void performDefaults() {
		
		if (this.editableBox != null)
			this.editableBox.setSelection(false);
		
		if (this.derivedBox != null)
			this.derivedBox.setSelection(false);
		encodingEditor.loadDefault();
		
		
	}