Bug 30170 [Preferences] editors preferences not stored on OK?
20030121 my eclipse hard-crashed and it seems that the 'number of open editors' preference was lost preference pages should store their values on OK. i guess the 'Editors' page forgot to do it.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
item.setData(node);
		item.setText(node.getLabelText());
		Image image = node.getLabelImage();
		if (image != null) {
			item.setImage(image);
		}
		IPreferenceNode[] subnodes = node.getSubNodes();
		for (int i = 0; i < subnodes.length; i++) {
			createTreeItemFor(item, subnodes[i]);
		}
	}
	/**
	 * Returns the preference mananger used by this preference dialog.
	 *
	 * @return the preference mananger
	 */
	public PreferenceManager getPreferenceManager() {
		return preferenceManager;
	}
	/* (non-Javadoc)
	 * Method declared on IPreferencePageDialog.
	 */
	public IPreferenceStore getPreferenceStore() {
		return preferenceStore;
	}
	/**
	 * Save the values specified in the pages.
	 * <p>
	 * The default implementation of this framework method saves all
	 * pages of type <code>PreferencePage</code> (if their store needs saving