From 2783dcb4cc3cc40410f8bf0bfeb23d8c6534476a Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Mon, 22 Aug 2016 12:46:08 -0500
Subject: [PATCH] Save some RAM in MBL's G29

---
 Marlin/Marlin_main.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index d3656a3c3..7527eb597 100755
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -3623,9 +3623,10 @@ inline void gcode_G28() {
           }
         }
         else {
-          SERIAL_PROTOCOLLNPGM("X not entered.");
+          SERIAL_CHAR('X'); SERIAL_PROTOCOLLNPGM(" not entered.");
           return;
         }
+
         if (code_seen('Y')) {
           py = code_value_int() - 1;
           if (py < 0 || py >= MESH_NUM_Y_POINTS) {
@@ -3634,14 +3635,15 @@ inline void gcode_G28() {
           }
         }
         else {
-          SERIAL_PROTOCOLLNPGM("Y not entered.");
+          SERIAL_CHAR('Y'); SERIAL_PROTOCOLLNPGM(" not entered.");
           return;
         }
+
         if (code_seen('Z')) {
           mbl.z_values[py][px] = code_value_axis_units(Z_AXIS);
         }
         else {
-          SERIAL_PROTOCOLLNPGM("Z not entered.");
+          SERIAL_CHAR('Z'); SERIAL_PROTOCOLLNPGM(" not entered.");
           return;
         }
         break;
@@ -3651,7 +3653,7 @@ inline void gcode_G28() {
           mbl.z_offset = code_value_axis_units(Z_AXIS);
         }
         else {
-          SERIAL_PROTOCOLLNPGM("Z not entered.");
+          SERIAL_CHAR('Z'); SERIAL_PROTOCOLLNPGM(" not entered.");
           return;
         }
         break;