Position the cursor.
Position the cursor where you want to insert the special character or diacritical mark.
Select the Insert special characters icon.
Select the Insert special characters icon from the Rich Text Editor toolbar. This displays the Select Special Character dialog box.
Select the special character.
Select the special character or diacritical mark you want to insert
View special character.
The special character/diacritical mark will now be displayed in the text box.
Select Save to save changes.