diff --git a/EInAPI.h b/EInAPI.h
index 9a2efe7..3bbee00 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -104,7 +104,7 @@ EIN_EXPORT BOOL __stdcall EgtOpenFile( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtInsertFile( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtSaveFile( const wchar_t* wsFilePath, int nFlag) ;
 EIN_EXPORT BOOL __stdcall EgtSaveObjToFile( int nId, const wchar_t* wsFilePath, int nFlag) ;
-EIN_EXPORT BOOL __stdcall EgtSaveMachGroupToFile( int nMGroupId, const wchar_t* wsFilePath, int nFlag) ;
+EIN_EXPORT BOOL __stdcall EgtSaveMachGroupToFile( int nMGroupId, int nNumPlusId, const int nPlusIds[], const wchar_t* wsFilePath, int nFlag) ;
 
 // Exchange
 EIN_EXPORT int  __stdcall EgtGetFileType( const wchar_t* wsFilePath) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 62acb10..d41cf37 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -113,6 +113,7 @@ EXE_EXPORT bool ExeInsertFile( const std::string& sFilePath) ;
 EXE_EXPORT bool ExeSaveFile( const std::string& sFilePath, int nFlag) ;
 EXE_EXPORT bool ExeSaveObjToFile( int nId, const std::string& sFilePath, int nFlag) ;
 EXE_EXPORT bool ExeSaveMachGroupToFile( int nMGroupId, const std::string& sFilePath, int nFlag) ;
+EXE_EXPORT bool ExeSaveMachGroupToFile( int nMGroupId, const INTVECTOR& vPlusId, const std::string& sFilePath, int nFlag) ;
 
 // Exchange
 EXE_EXPORT int  ExeGetFileType( const std::string& sFilePath) ;
@@ -835,7 +836,8 @@ EXE_EXPORT bool ExeSurfTmGetFacetBBox( int nId, int nFacet, int nFlag, BBox3d& b
 EXE_EXPORT bool ExeSurfTmGetFacetBBoxGlob( int nId, int nFacet, int nFlag, BBox3d& b3Box) ;
 EXE_EXPORT bool ExeSurfTmGetFacetBBoxRef( int nId, int nFacet, int nFlag, const Frame3d& frRef, BBox3d& b3Box) ;
 EXE_EXPORT bool ExeSurfTmGetFacetOutlineInfo( int nId, int nFacet, int nRefId,
-                                              int& nStatus, BOOLVECTOR& vbOpen, INTVECTOR& vnAdj, DBLVECTOR& vdLen, VCT3DVECTOR& vvtNorm, DBLVECTOR& vdElev) ;
+                                              int& nStatus, BOOLVECTOR& vbOpen, INTVECTOR& vnAdj, DBLVECTOR& vdLen,
+                                              PNTVECTOR& vptStart, VCT3DVECTOR& vvtNorm, DBLVECTOR& vdElev) ;
 EXE_EXPORT int  ExeSurfTmGetEdges( int nId, int nDestGrpId, bool bSmoothAng, int* pnCount) ;
 EXE_EXPORT bool ExeSurfBezierGetPoint( int nSurfId, double dU, double dV, int nRefId, Point3d& ptP) ;
 EXE_EXPORT bool ExeSurfBezierGetPointD1( int nSurfId, double dU, double dV, int nUsd, int nVsd, int nRefId,