To Add or Remove Features on Marked Sets

1. Select the Edit | Markings | Show Marked Sets option to open the Marked Sets window.

2. With the Marked Sets window active, select the marked set to modify. You can press Tab to cycle through the sets, or you can click on the set once to select it.

3. To add features, from the Edit window, mark the features you want to add.

You can choose Edit | Markings | Mark (or press F3) to toggle the marking state on selected features.

The icon for the set in the Marked Sets window changes dynamically to reflect your changes.