<li>At the bottom of the toolbox, click an eraser shape.</li>
<li>Drag the pointer over the area you want to erase.</li>
</ol>
<p><b>Notes</b></p>
<ul>
<li>The selected <adata-topic-id="gl_pbrush_back">background color</a> shows what color the eraser will leave behind. You can change the background color by right-clicking another color in the color box.</li>
<li>You can change a specific color (and nothing else) by changing the <adata-topic-id="gl_pbrush_fore">foreground color</a> to the color you want to erase and the background color to the color you want to replace it with. Then, when you click the eraser, you can right-click to change the color.</li>
<li>You can undo any number of changes by clicking the <b>Edit</b> menu and then clicking <b>Undo</b> for each change.</li>