291     int		n, off;  in diff_mark_adjust_tp()  local
395 			off = dp->df_lnum[idx] - lnum_deleted;  in diff_mark_adjust_tp()
416 			    n = off;  in diff_mark_adjust_tp()
424 			off = 0;  in diff_mark_adjust_tp()
454 			    dp->df_lnum[i] -= off;  in diff_mark_adjust_tp()
1619     long	off;  in diff_read()  local
1733 	    off = dp->df_lnum[idx_orig] - lnum_orig;  in diff_read()
1734 	    if (off > 0)  in diff_read()
1738 			dp->df_lnum[i] -= off;  in diff_read()
1745 		dp->df_lnum[idx_new] = lnum_new + off;  in diff_read()
1746 		dp->df_count[idx_new] = count_new - off;  in diff_read()
1756 	    off = (lnum_orig + count_orig)  in diff_read()
1758 	    if (off < 0)  in diff_read()
1763 		    dp->df_count[idx_new] += -off;  in diff_read()
1764 		off = 0;  in diff_read()
1769 						       - dp->df_lnum[i] + off;  in diff_read()
1828     long	off;  in diff_copy_entry()  local
1831 	off = 0;  in diff_copy_entry()
1833 	off = (dprev->df_lnum[idx_orig] + dprev->df_count[idx_orig])  in diff_copy_entry()
1835     dp->df_lnum[idx_new] = dp->df_lnum[idx_orig] - off;  in diff_copy_entry()
2399     int		off;  in diff_find_change()  local
2426     off = lnum - dp->df_lnum[idx];  in diff_find_change()
2432 	    if (off >= dp->df_count[i])  in diff_find_change()
2436 						 dp->df_lnum[i] + off, FALSE);  in diff_find_change()
2606     linenr_T	off = 0;  in ex_diffgetput()  local
2742 	if (dp->df_lnum[idx_cur] > eap->line2 + off)  in ex_diffgetput()
2748 	if (dp->df_lnum[idx_cur] + dp->df_count[idx_cur] > eap->line1 + off  in ex_diffgetput()
2757 		start_skip = eap->line1 + off - dp->df_lnum[idx_cur];  in ex_diffgetput()
2776 							 - (eap->line2 + off);  in ex_diffgetput()
2884 		off += added;  in ex_diffgetput()