(SET-TEXT-STYLE font direction size)

Sets text appearance properties. Font can be either a number returned by INSTALL-USER-FONT or one of the following, where {\itt 'DEFAULT} is the only bit-mapped font:
{\itt 'DEFAULT}
{\itt 'TRIPLEX}
{\itt 'SMALL}
{\itt 'SANS-SERIF}
{\itt 'GOTHIC}
{\itt 'SCRIPT}
{\itt 'SIMPLEX}
{\itt 'TRIPLEX-SCR}
{\itt 'COMPLEX}
{\itt 'EUROPEAN}
{\itt 'BOLD}
Direction is {\itt 'HORIZ} or {\itt 'VERT}.

Size is either a number from 1 to 10, or 0 for the default size. The default size will produce a size of 4, but will also enable user character sizes (see SET-USER-CHAR-SIZE below).