+ This function sets font sizes and faces.
+
+ @param normal_face
+ This is face name for normal (i.e. non-fixed) font.
+ It can be either empty string (then the default face is chosen) or
+ platform-specific face name. Examples are "helvetica" under Unix or
+ "Times New Roman" under Windows.
+ @param fixed_face
+ The same thing for fixed face ( \<TT\>..\</TT\> )
+ @param sizes
+ This is an array of 7 items of int type.
+ The values represent size of font with HTML size from -2 to +4
+ ( \<FONT SIZE=-2\> to \<FONT SIZE=+4\> ).
+ Default sizes are used if sizes is @NULL.
+
+ Default font sizes are defined by constants wxHTML_FONT_SIZE_1,
+ wxHTML_FONT_SIZE_2, ..., wxHTML_FONT_SIZE_7.
+ Note that they differ among platforms. Default face names are empty strings.