for(i=0; i<num_tags; i++) {
gtk_tree_store_append(style_list, &buffer_child, &buffer);
gtk_tree_store_append(style_list, &grid_child, &grid);
for(i=0; i<num_tags; i++) {
gtk_tree_store_append(style_list, &buffer_child, &buffer);
gtk_tree_store_append(style_list, &grid_child, &grid);