fill_up_frame_row_with_spaces 3725 src/dispextern.h extern void fill_up_frame_row_with_spaces (struct glyph_row *, int);
fill_up_frame_row_with_spaces 2570 src/dispnew.c        fill_up_frame_row_with_spaces (frame_row, window_matrix->matrix_x);
fill_up_frame_row_with_spaces 26614 src/xdisp.c        fill_up_frame_row_with_spaces (to, to_used);