638     int		    filtering)  in buf_write()  argument
749 	    && !filtering  in buf_write()
826 	else if (filtering)  in buf_write()
1017     if (!filtering)  in buf_write()
1168     if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)  in buf_write()
1930 	    if (*buf->b_p_key != NUL && !filtering)  in buf_write()
1988 			    && !filtering  in buf_write()
2002 		&& !filtering  in buf_write()
2042 			&& *buf->b_p_key != NUL && !filtering  in buf_write()
2152 		    && *buf->b_p_key != NUL && !filtering)  in buf_write()
2359     if (!filtering)  in buf_write()
2596 	else if (filtering)  in buf_write()