1Index: src/ex_cmds.c
2===================================================================
3--- src/ex_cmds.c	(revision 57777)
4+++ src/ex_cmds.c	(working copy)
5@@ -5044,6 +5044,8 @@
6 			prev_matchcol = (colnr_T)STRLEN(sub_firstline)
7 							      - prev_matchcol;
8 
9+			if (Unix2003_compat)
10+			    beginline(BL_WHITE | BL_FIX);
11 			if (u_savesub(lnum) != OK)
12 			    break;
13 			ml_replace(lnum, new_start, TRUE);
14