From 2b381533951d361e2f51bf2354917e2ae6c2a295 Mon Sep 17 00:00:00 2001
From: SoftFever <103989404+SoftFever@users.noreply.github.com>
Date: Sun, 12 Mar 2023 23:38:46 +0800
Subject: [PATCH] fix invalid characters in gcode

---
 src/libslic3r/GCode.cpp                | 1 -
 src/libslic3r/GCode/GCodeProcessor.cpp | 3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index bc35aafc90..eb72e8a3f2 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -1504,7 +1504,6 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     file.write_format(";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Estimated_Printing_Time_Placeholder).c_str());
     //BBS: total layer number
     file.write_format(";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Total_Layer_Number_Placeholder).c_str());
-    file.write_format("; total layer number: %d\n", m_layer_count);
     file.write_format("; HEADER_BLOCK_END\n\n");
 
     
diff --git a/src/libslic3r/GCode/GCodeProcessor.cpp b/src/libslic3r/GCode/GCodeProcessor.cpp
index 601807fa90..60da0200cd 100644
--- a/src/libslic3r/GCode/GCodeProcessor.cpp
+++ b/src/libslic3r/GCode/GCodeProcessor.cpp
@@ -71,7 +71,8 @@ const std::vector<std::string> GCodeProcessor::Reserved_Tags_compatible = {
     "CUSTOM_GCODE",
     "_GP_FIRST_LINE_M73_PLACEHOLDER",
     "_GP_LAST_LINE_M73_PLACEHOLDER",
-    "_GP_ESTIMATED_PRINTING_TIME_PLACEHOLDER"
+    "_GP_ESTIMATED_PRINTING_TIME_PLACEHOLDER",
+    "_GP_TOTAL_LAYER_NUMBER_PLACEHOLDER"
 };