LY_DEFINE (ly_paper_system_p, "ly:paper-system?",
1, 0, 0, (SCM obj),
- "Is @var{obj} a Prob object of type @code{paper-system}?")
+ "Is @var{obj} a C++ @code{Prob} object of type"
+ " @code{paper-system}?")
{
return ly_prob_type_p (obj, ly_symbol2scm ("paper-system"));
}