DECLARE_SCHEME_CALLBACK (calc_pure_relevant_items, (SCM));
DECLARE_SCHEME_CALLBACK (calc_pure_relevant_spanners, (SCM));
DECLARE_SCHEME_CALLBACK (calc_pure_y_common, (SCM));
- static SCM internal_calc_pure_relevant_grobs (Grob *, string);
+ static SCM internal_calc_pure_relevant_grobs (Grob *, const string&);
static Interval relative_group_extent (vector<Grob *> const &list,
Grob *common, Axis);
static Interval relative_maybe_bound_group_extent (vector<Grob *> const &list,