diff --git a/src/buffer.c b/src/buffer.c
index 7eb3d49..4104977 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -33,7 +33,7 @@
 static char_u	*fname_match __ARGS((regprog_T *prog, char_u *name));
 #endif
 static void	buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options));
-static wininfo_T *find_wininfo __ARGS((buf_T *buf));
+static wininfo_T *find_wininfo __ARGS((buf_T *buf, int skip_diff_buffer));
 #ifdef UNIX
 static buf_T	*buflist_findname_stat __ARGS((char_u *ffname, struct stat *st));
 static int	otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp));
@@ -1093,7 +1093,7 @@
 #endif
 	    setpcmark();
 	    retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE,
-						  forceit ? ECMD_FORCEIT : 0);
+					  forceit ? ECMD_FORCEIT : 0, curwin);
 
 	    /*
 	     * do_ecmd() may create a new buffer, then we have to delete
@@ -1316,7 +1316,7 @@
     setpcmark();
     if (!cmdmod.keepalt)
 	curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */
-    buflist_altfpos();			 /* remember curpos */
+    buflist_altfpos(curwin);			 /* remember curpos */
 
 #ifdef FEAT_VISUAL
     /* Don't restart Select mode after switching to another buffer. */
@@ -2404,22 +2404,70 @@
     return;
 }
 
+#ifdef FEAT_DIFF
+static int wininfo_other_tab_diff __ARGS((wininfo_T *wip));
+
+/*
+ * Return TRUE when "wip" has 'diff' set and the diff is only for another tab
+ * page.  That's because a diff is local to a tab page.
+ */
+    static int
+wininfo_other_tab_diff(wip)
+    wininfo_T	*wip;
+{
+    win_T	*wp;
+
+    if (wip->wi_opt.wo_diff)
+    {
+	for (wp = firstwin; wp != NULL; wp = wp->w_next)
+	    /* return FALSE when it's a window in the current tab page, thus
+	     * the buffer was in diff mode here */
+	    if (wip->wi_win == wp)
+		return FALSE;
+	return TRUE;
+    }
+    return FALSE;
+}
+#endif
+
 /*
  * Find info for the current window in buffer "buf".
  * If not found, return the info for the most recently used window.
+ * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in
+ * another tab page.
  * Returns NULL when there isn't any info.
  */
+/*ARGSUSED*/
     static wininfo_T *
-find_wininfo(buf)
+find_wininfo(buf, skip_diff_buffer)
     buf_T	*buf;
+    int		skip_diff_buffer;
 {
     wininfo_T	*wip;
 
     for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next)
-	if (wip->wi_win == curwin)
+	if (wip->wi_win == curwin
+#ifdef FEAT_DIFF
+		&& (!skip_diff_buffer || !wininfo_other_tab_diff(wip))
+#endif
+	   )
 	    break;
-    if (wip == NULL)	/* if no fpos for curwin, use the first in the list */
-	wip = buf->b_wininfo;
+
+    /* If no wininfo for curwin, use the first in the list (that doesn't have
+     * 'diff' set and is in another tab page). */
+    if (wip == NULL)
+    {
+#ifdef FEAT_DIFF
+	if (skip_diff_buffer)
+	{
+	    for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next)
+		if (!wininfo_other_tab_diff(wip))
+		    break;
+	}
+	else
+#endif
+	    wip = buf->b_wininfo;
+    }
     return wip;
 }
 
@@ -2440,7 +2488,7 @@
     clearFolding(curwin);
 #endif
 
-    wip = find_wininfo(buf);
+    wip = find_wininfo(buf, TRUE);
     if (wip != NULL && wip->wi_optset)
     {
 	copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt);
@@ -2472,7 +2520,7 @@
     wininfo_T	*wip;
     static pos_T no_position = {1, 0};
 
-    wip = find_wininfo(buf);
+    wip = find_wininfo(buf, FALSE);
     if (wip != NULL)
 	return &(wip->wi_fpos);
     else
@@ -2793,14 +2841,14 @@
 #endif
 
 /*
- * Set alternate cursor position for current window.
+ * Set alternate cursor position for the current buffer and window "win".
  * Also save the local window option values.
  */
     void
-buflist_altfpos()
+buflist_altfpos(win)
+    win_T *win;
 {
-    buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum,
-						  curwin->w_cursor.col, TRUE);
+    buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE);
 }
 
 /*
@@ -4492,7 +4540,7 @@
 		      ECMD_ONE,
 		      ((P_HID(curwin->w_buffer)
 			   || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0)
-							       + ECMD_OLDBUF);
+						       + ECMD_OLDBUF, curwin);
 #ifdef FEAT_AUTOCMD
 	    if (use_firstwin)
 		++autocmd_no_leave;
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 5d382d1..e3049fb 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -3052,7 +3052,8 @@
 	retval = 0;	/* it's in the same file */
     }
     else if (do_ecmd(fnum, ffname, sfname, NULL, lnum,
-		(P_HID(curbuf) ? ECMD_HIDE : 0) + (forceit ? ECMD_FORCEIT : 0)) == OK)
+		(P_HID(curbuf) ? ECMD_HIDE : 0) + (forceit ? ECMD_FORCEIT : 0),
+		curwin) == OK)
 	retval = -1;	/* opened another file */
     else
 	retval = 1;	/* error encountered */
@@ -3085,17 +3086,21 @@
  *	 ECMD_OLDBUF: use existing buffer if it exists
  *	ECMD_FORCEIT: ! used for Ex command
  *	 ECMD_ADDBUF: don't edit, just add to buffer list
+ *   oldwin: Should be "curwin" when editing a new buffer in the current
+ *           window, NULL when splitting the window first.  When not NULL info
+ *           of the previous buffer for "oldwin" is stored.
  *
  * return FAIL for failure, OK otherwise
  */
     int
-do_ecmd(fnum, ffname, sfname, eap, newlnum, flags)
+do_ecmd(fnum, ffname, sfname, eap, newlnum, flags, oldwin)
     int		fnum;
     char_u	*ffname;
     char_u	*sfname;
     exarg_T	*eap;			/* can be NULL! */
     linenr_T	newlnum;
     int		flags;
+    win_T	*oldwin;
 {
     int		other_file;		/* TRUE if editing another file */
     int		oldbuf;			/* TRUE if using existing buffer */
@@ -3267,7 +3272,8 @@
 	{
 	    if (!cmdmod.keepalt)
 		curwin->w_alt_fnum = curbuf->b_fnum;
-	    buflist_altfpos();
+	    if (oldwin != NULL)
+		buflist_altfpos(oldwin);
 	}
 
 	if (fnum)
@@ -3371,7 +3377,7 @@
 
 		/* close the link to the current buffer */
 		u_sync(FALSE);
-		close_buffer(curwin, curbuf,
+		close_buffer(oldwin, curbuf,
 				      (flags & ECMD_HIDE) ? 0 : DOBUF_UNLOAD);
 
 #ifdef FEAT_AUTOCMD
@@ -5609,7 +5615,13 @@
 	     */
 	    alt_fnum = curbuf->b_fnum;
 	    (void)do_ecmd(0, NULL, NULL, NULL, ECMD_LASTL,
-						   ECMD_HIDE + ECMD_SET_HELP);
+			  ECMD_HIDE + ECMD_SET_HELP,
+#ifdef FEAT_WINDOWS
+			  NULL  /* buffer is still open, don't store info */
+#else
+			  curwin
+#endif
+		    );
 	    if (!cmdmod.keepalt)
 		curwin->w_alt_fnum = alt_fnum;
 	    empty_fnum = curbuf->b_fnum;
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index ed3c45f..2c0f80d 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -2132,8 +2132,8 @@
 	 * argument index. */
 	if (do_ecmd(0, alist_name(&ARGLIST[curwin->w_arg_idx]), NULL,
 		      eap, ECMD_LAST,
-		      (P_HID(curwin->w_buffer) ? ECMD_HIDE : 0) +
-				   (eap->forceit ? ECMD_FORCEIT : 0)) == FAIL)
+		      (P_HID(curwin->w_buffer) ? ECMD_HIDE : 0)
+			 + (eap->forceit ? ECMD_FORCEIT : 0), curwin) == FAIL)
 	    curwin->w_arg_idx = old_arg_idx;
 	/* like Vi: set the mark where the cursor is in the file. */
 	else if (eap->cmdidx != CMD_argdo)
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 8d21ee1..5a80a07 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7488,7 +7488,8 @@
 	/* ":new" or ":tabnew" without argument: edit an new empty buffer */
 	setpcmark();
 	(void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
-			       ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
+		      ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
+		      old_curwin == NULL ? curwin : NULL);
     }
     else if ((eap->cmdidx != CMD_split
 #ifdef FEAT_VERTSPLIT
@@ -7525,7 +7526,7 @@
 #ifdef FEAT_LISTCMDS
 		    + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
 #endif
-		    ) == FAIL)
+		    , old_curwin == NULL ? curwin : NULL) == FAIL)
 	{
 	    /* Editing the file failed.  If the window was split, close it. */
 #ifdef FEAT_WINDOWS
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 8855f86..ac801eb 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -6051,7 +6051,7 @@
 	cmdwin_type = '-';
 
     /* Create the command-line buffer empty. */
-    (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE);
+    (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, NULL);
     (void)setfname(curbuf, (char_u *)"[Command Line]", NULL, TRUE);
     set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL);
     set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
diff --git a/src/if_sniff.c b/src/if_sniff.c
index dea1574..34b0128 100644
--- a/src/if_sniff.c
+++ b/src/if_sniff.c
@@ -1114,7 +1114,8 @@
     char *fname;
 {
     ++no_wait_return;
-    do_ecmd(0, (char_u *)fname, NULL, NULL, ECMD_ONE, ECMD_HIDE+ECMD_OLDBUF);
+    do_ecmd(0, (char_u *)fname, NULL, NULL, ECMD_ONE, ECMD_HIDE+ECMD_OLDBUF,
+	    curwin);
     curbuf->b_sniff = TRUE;
     --no_wait_return;					/* [ex_docmd.c] */
 }
diff --git a/src/main.c b/src/main.c
index 53f55c0..17cab6d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2588,7 +2588,7 @@
 # endif
 	    (void)do_ecmd(0, arg_idx < GARGCOUNT
 			  ? alist_name(&GARGLIST[arg_idx]) : NULL,
-			  NULL, NULL, ECMD_LASTL, ECMD_HIDE);
+			  NULL, NULL, ECMD_LASTL, ECMD_HIDE, curwin);
 # ifdef HAS_SWAP_EXISTS_ACTION
 	    if (swap_exists_did_quit)
 	    {
diff --git a/src/netbeans.c b/src/netbeans.c
index 80a1b43..19c3650 100644
--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -1795,7 +1795,7 @@
 	    buf->displayname = NULL;
 
 	    netbeansReadFile = 0; /* don't try to open disk file */
-	    do_ecmd(0, NULL, 0, 0, ECMD_ONE, ECMD_HIDE + ECMD_OLDBUF);
+	    do_ecmd(0, NULL, 0, 0, ECMD_ONE, ECMD_HIDE + ECMD_OLDBUF, curwin);
 	    netbeansReadFile = 1;
 	    buf->bufp = curbuf;
 	    maketitle();
@@ -1960,7 +1960,7 @@
 
 	    netbeansReadFile = 0; /* don't try to open disk file */
 	    do_ecmd(0, (char_u *)buf->displayname, 0, 0, ECMD_ONE,
-						     ECMD_HIDE + ECMD_OLDBUF);
+					     ECMD_HIDE + ECMD_OLDBUF, curwin);
 	    netbeansReadFile = 1;
 	    buf->bufp = curbuf;
 	    maketitle();
@@ -1979,7 +1979,7 @@
 	    vim_free(buf->displayname);
 	    buf->displayname = nb_unquote(args, NULL);
 	    do_ecmd(0, (char_u *)buf->displayname, NULL, NULL, ECMD_ONE,
-						     ECMD_HIDE + ECMD_OLDBUF);
+					     ECMD_HIDE + ECMD_OLDBUF, curwin);
 	    buf->bufp = curbuf;
 	    buf->initDone = TRUE;
 	    doupdate = 1;
diff --git a/src/normal.c b/src/normal.c
index d33a636..b907171 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -6050,7 +6050,7 @@
 	    autowrite(curbuf, FALSE);
 	setpcmark();
 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
-					       P_HID(curbuf) ? ECMD_HIDE : 0);
+				       P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
 	if (cap->nchar == 'F' && lnum >= 0)
 	{
 	    curwin->w_cursor.lnum = lnum;
diff --git a/src/popupmnu.c b/src/popupmnu.c
index 10a5edf..5808ae1 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -573,7 +573,7 @@
 		{
 		    /* Don't want to sync undo in the current buffer. */
 		    ++no_u_sync;
-		    res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0);
+		    res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL);
 		    --no_u_sync;
 		    if (res == OK)
 		    {
diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
index 509f390..e14ee8f 100644
--- a/src/proto/buffer.pro
+++ b/src/proto/buffer.pro
@@ -33,7 +33,7 @@
 char_u *getaltfname __ARGS((int errmsg));
 int buflist_add __ARGS((char_u *fname, int flags));
 void buflist_slash_adjust __ARGS((void));
-void buflist_altfpos __ARGS((void));
+void buflist_altfpos __ARGS((win_T *win));
 int otherfile __ARGS((char_u *ffname));
 void buf_setino __ARGS((buf_T *buf));
 void fileinfo __ARGS((int fullname, int shorthelp, int dont_truncate));
diff --git a/src/proto/ex_cmds.pro b/src/proto/ex_cmds.pro
index dced028..1a15c88 100644
--- a/src/proto/ex_cmds.pro
+++ b/src/proto/ex_cmds.pro
@@ -27,7 +27,7 @@
 void do_wqall __ARGS((exarg_T *eap));
 int not_writing __ARGS((void));
 int getfile __ARGS((int fnum, char_u *ffname, char_u *sfname, int setpm, linenr_T lnum, int forceit));
-int do_ecmd __ARGS((int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T newlnum, int flags));
+int do_ecmd __ARGS((int fnum, char_u *ffname, char_u *sfname, exarg_T *eap, linenr_T newlnum, int flags, win_T *oldwin));
 void ex_append __ARGS((exarg_T *eap));
 void ex_change __ARGS((exarg_T *eap));
 void ex_z __ARGS((exarg_T *eap));
diff --git a/src/quickfix.c b/src/quickfix.c
index ac11416..5c3ae38 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -1420,6 +1420,7 @@
     win_T		*win;
     win_T		*altwin;
 #endif
+    win_T		*oldwin = curwin;
     int			print_message = TRUE;
     int			len;
 #ifdef FEAT_FOLDING
@@ -1744,7 +1745,8 @@
 	    }
 	    else
 		ok = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
-						   ECMD_HIDE + ECMD_SET_HELP);
+					   ECMD_HIDE + ECMD_SET_HELP,
+					   oldwin == curwin ? curwin : NULL);
 	}
 	else
 	    ok = buflist_getfile(qf_ptr->qf_fnum,
@@ -2267,6 +2269,7 @@
     win_T	*win;
     tabpage_T	*prevtab = curtab;
     buf_T	*qf_buf;
+    win_T	*oldwin = curwin;
 
     if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow)
     {
@@ -2326,14 +2329,16 @@
 	    win->w_llist->qf_refcount++;
 	}
 
+	if (oldwin != curwin)
+	    oldwin = NULL;  /* don't store info when in another window */
 	if (qf_buf != NULL)
 	    /* Use the existing quickfix buffer */
 	    (void)do_ecmd(qf_buf->b_fnum, NULL, NULL, NULL, ECMD_ONE,
-						     ECMD_HIDE + ECMD_OLDBUF);
+					     ECMD_HIDE + ECMD_OLDBUF, oldwin);
 	else
 	{
 	    /* Create a new quickfix buffer */
-	    (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE);
+	    (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, oldwin);
 	    /* switch off 'swapfile' */
 	    set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
 	    set_option_value((char_u *)"bt", 0L, (char_u *)"quickfix",
diff --git a/src/version.c b/src/version.c
index 4686098..d3ce62a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    41,
+/**/
     40,
 /**/
     39,
diff --git a/src/window.c b/src/window.c
index 80cbfdd..2feb9e2 100644
--- a/src/window.c
+++ b/src/window.c
@@ -531,7 +531,8 @@
 # ifdef FEAT_SCROLLBIND
 			curwin->w_p_scb = FALSE;
 # endif
-			(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LASTL, ECMD_HIDE);
+			(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LASTL,
+							   ECMD_HIDE, NULL);
 			if (nchar == 'F' && lnum >= 0)
 			{
 			    curwin->w_cursor.lnum = lnum;