col_delta        2454 src/editor/editcmd.c         long col_delta;
col_delta        2456 src/editor/editcmd.c         col_delta = labs (edit->column2 - edit->column1);
col_delta        2457 src/editor/editcmd.c         edit_insert_column_of_text (edit, copy_buf, size, col_delta, &mark1, &mark2, &c1, &c2);