Bug 94915 [Preferences] Editors preference page shortly shows error status on first display
I20050509-2010: Steps to reproduce: - Restart workbench or make sure that last visited preference page is not the Editors preference page - Open the Editors preference page -> For a very short time, the preference displays an error status below the preference page caption
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/dialogs/AbstractEncodingFieldEditor.java
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.ui.WorkbenchEncoding;
import org.eclipse.ui.ide.IDEEncoding;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
/**
 * The abstract superclass of field editors used to set an encoding. 
 * Any user entered encodings will be added to the list of encodings available via {@link org.eclipse.ui.ide.IDEEncoding}.
 * <p>
 * Subclasses may extend, but must call <code>createEncodingGroup</code> during <code>doFillIntoGrid</code>.
 * </p>
 * 
 * @see org.eclipse.ui.ide.IDEEncoding
 * @since 3.1
 */
public abstract class AbstractEncodingFieldEditor extends FieldEditor {
    
	private Composite container;
	private Button defaultEncodingButton;
	private String defaultEnc;
	private Button otherEncodingButton;
	private Combo encodingCombo;
	private boolean isValid = true;
	private String oldSelectedEncoding;
	/**