-LY_DEFINE(ly_dir_p, "ly:dir?", 1,0, 0, (SCM s),
- "type predicate. A direction is a -1, 0 or 1, where -1 represents "
- "left or down and 1 represents right or up. ")
+LY_DEFINE (ly_dir_p, "ly:dir?", 1,0, 0, (SCM s),
+ "type predicate. A direction is @code{-1}, @code{0} or "
+ "@code{1}, where @code{-1} represents "
+ "left or down and @code{1} represents right or up.")