This selection list should display the classes specified by RTE.default.classesCharacter. The specified classes must be defined in the CSS style sheet contained in the file specified by RTE.default.contentCSS.
If RTE.default.classesCharacter is empty, classes associated with the span tag are used. Classes not associated with any tag in the contentCSS style sheet will be displayed only if
RTE.default.showTagFreeClasses = 1