// Sort dots by stem, then check for dots above the limit for each stem
vector <vector <Grob *> > dots_each_stem (parent_stems.size ());
for (vsize i = 0; i < dots.size (); i++)
// Sort dots by stem, then check for dots above the limit for each stem
vector <vector <Grob *> > dots_each_stem (parent_stems.size ());
for (vsize i = 0; i < dots.size (); i++)