Allows user to view the text of William of Palerne in various modes and to switch from one mode to another. Includes several styles: a Diplomatic style, which allows user to view an exact transcription of the original text without emendations or corrections; the Scribal and Critical styles, which show corrections and notes; and the AllTags style, which displays both scribal and emended forms. User may also perform complex searches and manipulations of the text through use of SGML encoding.