updated for version 7.4.490

Problem:    Cannot specify the buffer to use for "do" and "dp", making them
            useless for three-way diff.
Solution:   Use the count as the buffer number. (James McCoy)

src/diff.c

@@ -2107,12 +2107,20 @@ diff_infold(wp, lnum)
  * "dp" and "do" commands.
  */
     void
-nv_diffgetput(put)
+nv_diffgetput(put, count)
     int		put;
+    long	count;
 {
     exarg_T	ea;
+    char_u	buf[30];
 
+    if (count == 0)
 	ea.arg = (char_u *)"";
+    else
+    {
+	vim_snprintf((char *)buf, 30, "%ld", count);
+	ea.arg = buf;
+    }
     if (put)
 	ea.cmdidx = CMD_diffput;
     else

src/normal.c

@@ -9284,7 +9284,7 @@ nv_put(cap)
 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
 	{
 	    clearop(cap->oap);
-	    nv_diffgetput(TRUE);
+	    nv_diffgetput(TRUE, cap->opcount);
 	}
 	else
 #endif
@@ -9407,7 +9407,7 @@ nv_open(cap)
     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
     {
 	clearop(cap->oap);
-	nv_diffgetput(FALSE);
+	nv_diffgetput(FALSE, cap->opcount);
     }
     else
 #endif

src/proto/diff.pro

@@ -18,7 +18,7 @@ int diffopt_changed __ARGS((void));
 int diffopt_horizontal __ARGS((void));
 int diff_find_change __ARGS((win_T *wp, linenr_T lnum, int *startp, int *endp));
 int diff_infold __ARGS((win_T *wp, linenr_T lnum));
-void nv_diffgetput __ARGS((int put));
+void nv_diffgetput __ARGS((int put, long count));
 void ex_diffgetput __ARGS((exarg_T *eap));
 int diff_mode_buf __ARGS((buf_T *buf));
 int diff_move_to __ARGS((int dir, long count));

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    490,
 /**/
     489,
 /**/