diff --git a/PowerEditor/src/Notepad_plus.h b/PowerEditor/src/Notepad_plus.h
index 806c80a1..4873558c 100644
--- a/PowerEditor/src/Notepad_plus.h
+++ b/PowerEditor/src/Notepad_plus.h
@@ -36,7 +36,7 @@
 #include "GoToLineDlg.h"
 #include "columnEditor.h"
 #include "WordStyleDlg.h"
-#include "constant.h"
+//#include "constant.h"
 #include "trayIconControler.h"
 #include "ContextMenu.h"
 #include "PluginsManager.h"
diff --git a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
index c20ae725..1ece0aac 100644
--- a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
+++ b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
@@ -18,7 +18,7 @@
 #include "FindReplaceDlg.h"
 #include "ScintillaEditView.h"
 #include "Notepad_plus_msgs.h"
-#include "constant.h"
+//#include "constant.h"
 #include "UniConversion.h"
 
 int Searching::convertExtendedToString(const TCHAR * query, TCHAR * result, int length) {	//query may equal to result, since it always gets smaller
diff --git a/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp b/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
index b99886cc..7727bf2d 100644
--- a/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
+++ b/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
@@ -20,7 +20,7 @@
 #include <ShellAPI.h>
 #include "ScintillaEditView.h"
 #include "Parameters.h"
-#include "constant.h"
+//#include "constant.h"
 
 
 // initialize the static variable
@@ -153,6 +153,9 @@ void ScintillaEditView::init(HINSTANCE hInst, HWND hPere)
 
     execute(SCI_SETMARGINMASKN, _SC_MARGE_FOLDER, SC_MASK_FOLDERS);
     showMargin(_SC_MARGE_FOLDER, true);
+    //showMargin(3, true);
+	//showMargin(4, true);
+
 
     execute(SCI_SETMARGINSENSITIVEN, _SC_MARGE_FOLDER, true);
     execute(SCI_SETMARGINSENSITIVEN, _SC_MARGE_SYBOLE, true);
diff --git a/PowerEditor/src/ScitillaComponent/ScintillaEditView.h b/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
index 588ffec1..9d86ba10 100644
--- a/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
+++ b/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
@@ -97,6 +97,14 @@ const UCHAR BASE_16 = 0x01; // Hex
 const UCHAR BASE_08 = 0x02; // Oct
 const UCHAR BASE_02 = 0x03; // Bin
 
+
+const int MARK_BOOKMARK = 24;
+const int MARK_HIDELINESBEGIN = 23;
+const int MARK_HIDELINESEND = 22;
+// 24 - 16 reserved for Notepad++ internal used
+// 15 - 0  are free to use for plugins
+
+
 static int getNbChiffre(int aNum, int base)
 {
 	int nbChiffre = 1;
@@ -236,11 +244,16 @@ public:
 
     static const int _MARGE_LINENUMBER_NB_CHIFFRE;
 
-    void showMargin(int witchMarge, bool willBeShowed = true) {
-        if (witchMarge == _SC_MARGE_LINENUMBER)
+    void showMargin(int whichMarge, bool willBeShowed = true) {
+        if (whichMarge == _SC_MARGE_LINENUMBER)
             setLineNumberWidth(willBeShowed);
         else
-            execute(SCI_SETMARGINWIDTHN, witchMarge, willBeShowed?14:0);
+		{
+			int width = 4;
+			if (whichMarge == _SC_MARGE_SYBOLE || whichMarge == _SC_MARGE_FOLDER)
+				width = 14;
+            execute(SCI_SETMARGINWIDTHN, whichMarge, willBeShowed?width:0);
+		}
     };
 
     bool hasMarginShowed(int witchMarge) {
diff --git a/PowerEditor/src/WinControls/shortcut/RunMacroDlg.cpp b/PowerEditor/src/WinControls/shortcut/RunMacroDlg.cpp
index 3fa0b7d4..4cf0bad3 100644
--- a/PowerEditor/src/WinControls/shortcut/RunMacroDlg.cpp
+++ b/PowerEditor/src/WinControls/shortcut/RunMacroDlg.cpp
@@ -20,7 +20,7 @@
 #include "RunMacroDlg.h"
 #include "ScintillaEditView.h"
 #include "Notepad_plus_msgs.h"
-#include "constant.h"
+//#include "constant.h"
 
 
 BOOL CALLBACK RunMacroDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
diff --git a/PowerEditor/src/constant.h b/PowerEditor/src/constant.h
deleted file mode 100644
index 68cc4297..00000000
--- a/PowerEditor/src/constant.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef CONSTANT_H
-#define CONSTANT_H
-
-const int MARK_BOOKMARK = 1;
-const int MARK_HIDELINESBEGIN = 2;
-const int MARK_HIDELINESEND = 3;
-
-#endif //CONSTANT_H
diff --git a/PowerEditor/visual.net/notepadPlus.vcproj b/PowerEditor/visual.net/notepadPlus.vcproj
index 0344738d..44515d62 100644
--- a/PowerEditor/visual.net/notepadPlus.vcproj
+++ b/PowerEditor/visual.net/notepadPlus.vcproj
@@ -507,10 +507,6 @@
 				RelativePath="..\src\MISC\Common\Common.h"
 				>
 			</File>
-			<File
-				RelativePath="..\src\constant.h"
-				>
-			</File>
 			<File
 				RelativePath="..\src\WinControls\ContextMenu\ContextMenu.h"
 				>