tip-of-the-week: gnuplot/3d_plot_2d_projection/.foolinggit (new file); gnuplot/3d_plot_2d_projection/3d_plot_2d_projection.dat (new file); gnuplot/3d_plot_2d_projection/3d_plot_2d_projection.eps (new file); gnuplot/3d_plot_2d_projection/3d_plot_2d_projection.gnu (new file); gnuplot/multiple_data_sets_single_file/.foolinggit (new file); gnuplot/multiple_data_sets_single_file/multiple_data_sets_single_file.dat (new file); gnuplot/multiple_data_sets_single_file/multiple_data_sets_single_file.eps (new file); gnuplot/multiple_data_sets_single_file/multiple_data_sets_single_file.gnu (new file); gnuplot/single_data_set_single_file/.foolinggit (new file); gnuplot/single_data_set_single_file/single_data_set_single_file.dat (new file); gnuplot/single_data_set_single_file/single_data_set_single_file.eps (new file); gnuplot/single_data_set_single_file/single_data_set_single_file.gnu (new file)