pop_back           77 old_code/2015linfty/dune_bdf.hpp 				clean_line.pop_back();	// delete last whitespace
pop_back           83 old_code/tumor_growth/tumor_bdf.h 	clean_line.pop_back();	// delete last whitespace
pop_back          214 src/grid_GridAndTime_impl.cpp   clean_line.pop_back();	// delete last whitespace