include @code{upright}, @code{italic}, @code{caps}.")
(font-size ,number? "The font size, compared to the @q{normal}
size. @code{0}@tie{}is style-sheet's normal size, @code{-1} is
include @code{upright}, @code{italic}, @code{caps}.")
(font-size ,number? "The font size, compared to the @q{normal}
size. @code{0}@tie{}is style-sheet's normal size, @code{-1} is