Description of the illustration

This image shows the Canonical Rules dialog box. It contains a combo box that shows how 3 characters are decomposed. The column headings are:

An example of a decomposed character is given in the text following image.

Below the combo box is a row of text fields with the same headings as the combo box. The text fields are blank. Below the text fields are the following buttons:

An OK button appears in the lower corner of the dialog box.