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
return isValid;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.preference.FieldEditor#refreshValidState()
	 */
	protected void refreshValidState() {
		updateValidState();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.preference.FieldEditor#setPreferenceStore(org.eclipse.jface.preference.IPreferenceStore)
	 */
	public void setPreferenceStore(IPreferenceStore store) {
		super.setPreferenceStore(store);
		defaultEnc = store.getDefaultString(getPreferenceName());
		updateDefaultEncoding();
	}
	private void updateDefaultEncoding() {
		defaultEncodingButton.setText(defaultButtonText()); 
	}
	private Composite getContainer() {
		return container;
	}
	/**
	 * Creates a composite with all the encoding controls.
     * <p>
     * Subclasses may extend.
     * </p>
     * 
	 * @param parent the parent widget
	 * @param numColumns the number of columns in the parent