diff -ru grub-0.92.orig/stage2/builtins.c grub-0.92/stage2/builtins.c
--- grub-0.92.orig/stage2/builtins.c	2002-06-25 17:58:03.000000000 -0300
+++ grub-0.92/stage2/builtins.c	2002-06-25 17:36:23.000000000 -0300
@@ -4856,6 +4856,7 @@
     view_y0 = y0;
     view_x1 = x1;
     view_y1 = y1;
+    max_lines = view_y1 - view_y0;
 
     if (flags == BUILTIN_CMDLINE && vga_inited) {
 	display->End();
Only in grub-0.92/stage2: builtins.c~
diff -ru grub-0.92.orig/stage2/char_io.c grub-0.92/stage2/char_io.c
--- grub-0.92.orig/stage2/char_io.c	2002-06-25 17:58:03.000000000 -0300
+++ grub-0.92/stage2/char_io.c	2002-06-25 17:53:31.000000000 -0300
@@ -460,7 +460,7 @@
          /* Fill up the rest of the line with spaces.  */
          for (; i < start + len; i++)
            {
-             grub_putchar (' ');
+             putchar (' ');
              pos++;
            }
 	  
diff -ru grub-0.92.orig/stage2/stage2.c grub-0.92/stage2/stage2.c
--- grub-0.92.orig/stage2/stage2.c	2002-06-25 17:58:03.000000000 -0300
+++ grub-0.92/stage2/stage2.c	2002-06-25 18:07:39.000000000 -0300
@@ -217,10 +217,10 @@
       )
 # endif
     {
-      for (i = 0; i < 12; i++)
+      for (i = 0; i < 14; i++)
 	{
 	  int j;
-	  for (j = view_x0; j < (view_x1 - view_x0) - 5; j++)
+	  for (j = view_x0; j < view_x1 - 5; j++)
 	    {
 	      gotoxy (j + 1, i + y);
 	      set_attrib (normal_color);
@@ -232,7 +232,7 @@
   gotoxy (view_x0 + 1, y);
 
   putchar (disp_ul);
-  for (i = 0; i < view_x1 - 7; i++)
+  for (i = view_x0; i < view_x1 - 7; i++)
     putchar (disp_horiz);
   putchar (disp_ur);
 
@@ -1448,6 +1448,11 @@
 	cursor(1);
 	return;
     }
+    else if (ch == '\b') {
+	if (fontx < view_x0)
+	    SetXY(fontx - 1, fonty);
+	return;
+    }
 
     text[fonty * 80 + fontx] = ch;