+ Molecule *output = new Molecule (lookup_l ()->bar (type_str_, get_bar_size (), paper_l ()));
+
+ return output;
+}
+
+/**
+ Prescriptions for splitting bars.
+ TODO: put this in SCM.
+ */
+static char const *bar_breaks[][3] ={
+ {":|", ":|:", "|:"},
+ {"|", "|", ""},
+ {"", "|s", "|"},
+ {"|", "|:", "|:"},
+ {"|.", "|.", ""},
+ {":|", ":|", ""},
+ {"||", "||", ""},
+ {".|.", ".|.", ""},
+ {"", "scorebar", "scorepostbreak"},
+ {"", "brace", "brace"},
+ {"", "bracket", "bracket"},
+ {0,0,0}
+};
+
+void
+Bar::do_pre_processing ()
+{
+ for (int i=0; bar_breaks[i][0]; i++)
+ {
+ if (bar_breaks[i][1] == type_str_)
+ {
+ type_str_ = bar_breaks[i][break_status_dir ()+1];
+ break;
+ }
+ }
+ if (remove_elt_property (at_line_start_scm_sym)!= SCM_BOOL_F
+ && (break_status_dir () == RIGHT) && (type_str_ == ""))
+ {
+ type_str_ = "|";
+ }
+
+ if (type_str_ =="")
+ dim_cache_[X_AXIS]->set_empty (true);