To add a variant at a given position
You can manually add a variant (insertion or deletion) at a position of your choice in the Pile-Up pane.
1. In the Pile-Up pane, right-click the position at which you are adding the variant.
A context menu opens with various options, including options for adding a variant.
2. Click Add Variant at position <n>.
A second context menu opens with different options for adding a variant at the given position, such as Add A or Add del.
3. On the second context menu, select an Add variant at position option.
The context menu closes and Comment Input dialog box opens.
4. Optionally, enter the comment that is to be stored for the indicated position, and then click OK.
The Comment Input dialog box closes. A new entry that is highlighted in green is displayed for the added variant in the Variants table.