From 26dc80bf2d53409387b5915580c9f5534ed8b4c6 Mon Sep 17 00:00:00 2001
From: Chris Roadfeldt <chris@roadfeldt.com>
Date: Wed, 1 Apr 2015 13:47:17 -0500
Subject: [PATCH 1/3] Typo fixed...

---
 Marlin/Marlin_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 5bc239d47..456cfb0a4 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -2811,7 +2811,7 @@ inline void gcode_M42() {
       #error "You must have a Z_PROBE_PIN defined in order to enable calculation of Z-Probe repeatability."
     #endif
   #else
-    #if (Z_MIN_PIN == -1) &&
+    #if (Z_MIN_PIN == -1)
       #error "You must have a Z_MIN_PIN defined in order to enable calculation of Z-Probe repeatability."
     #endif
   #endif

From 916f59e35f1408a65b68267d0b2ec9d62ccb31b4 Mon Sep 17 00:00:00 2001
From: Chris Roadfeldt <chris@roadfeldt.com>
Date: Wed, 1 Apr 2015 19:22:05 -0500
Subject: [PATCH 2/3] Spaces not tabs in language.h. Catch unlikely but
 possible error and head crash when using Z_PROBE_REPEATABILITY_TEST

---
 Marlin/SanityCheck.h | 2 +-
 Marlin/language.h    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index 6c0c9fd09..09d1ca3b6 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -93,7 +93,7 @@
      * Require a Z Min pin
      */
     #if Z_MIN_PIN == -1
-      #if Z_PROBE_PIN == -1
+      #if Z_PROBE_PIN == -1 || (! defined (Z_PROBE_ENDSTOP) || defined (DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a ping for the Z Probe, but not enable it.
         #ifdef Z_PROBE_REPEATABILITY_TEST
           #error You must have a Z_MIN or Z_PROBE endstop to enable Z_PROBE_REPEATABILITY_TEST.
         #else
diff --git a/Marlin/language.h b/Marlin/language.h
index f4a2d2610..4a4698c90 100644
--- a/Marlin/language.h
+++ b/Marlin/language.h
@@ -138,7 +138,7 @@
 #define MSG_Z_MIN                           "z_min: "
 #define MSG_Z_MAX                           "z_max: "
 #define MSG_Z2_MAX                          "z2_max: "
-#define MSG_Z_PROBE							"z_probe: "
+#define MSG_Z_PROBE                         "z_probe: "
 #define MSG_M119_REPORT                     "Reporting endstop status"
 #define MSG_ENDSTOP_HIT                     "TRIGGERED"
 #define MSG_ENDSTOP_OPEN                    "open"

From 59994bd519303ad6f205229ba7d926a57833e4d2 Mon Sep 17 00:00:00 2001
From: Chris Roadfeldt <chris@roadfeldt.com>
Date: Wed, 1 Apr 2015 19:24:42 -0500
Subject: [PATCH 3/3] Not doing network admin work, pin not ping... :)

---
 Marlin/SanityCheck.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index 09d1ca3b6..8ea9b2e3d 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -93,7 +93,7 @@
      * Require a Z Min pin
      */
     #if Z_MIN_PIN == -1
-      #if Z_PROBE_PIN == -1 || (! defined (Z_PROBE_ENDSTOP) || defined (DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a ping for the Z Probe, but not enable it.
+      #if Z_PROBE_PIN == -1 || (! defined (Z_PROBE_ENDSTOP) || defined (DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a pin for the Z Probe, but not enable it.
         #ifdef Z_PROBE_REPEATABILITY_TEST
           #error You must have a Z_MIN or Z_PROBE endstop to enable Z_PROBE_REPEATABILITY_TEST.
         #else