+ remove 'using namespace Attacher' inside header file

src/Mod/Part/App/AttachableObject.h

@@ -42,8 +42,6 @@
 
 #include <gp_Vec.hxx>
 
-using namespace Attacher;
-
 namespace Part
 {
 
@@ -69,8 +67,8 @@ public:
      * destroyed, or when a new attacher is set. The default attacher is AttachEngine3D.
      * @param attacher. AttachableObject takes ownership and will delete it eventually.
      */
-    virtual void setAttacher(AttachEngine* attacher);
-    AttachEngine &attacher(void) const {return *_attacher;}
+    virtual void setAttacher(Attacher::AttachEngine* attacher);
+    Attacher::AttachEngine &attacher(void) const {return *_attacher;}
 
     /// if the 2DObject lies on the Face of an other object this links to it
     App::PropertyLinkSubList    Support;
@@ -101,7 +99,7 @@ public:
     void updateAttacherVals();
 
 private:
-    AttachEngine* _attacher;
+    Attacher::AttachEngine* _attacher;
 };
 
 

src/Mod/Part/App/Part2DObject.cpp

@@ -66,7 +66,7 @@ PROPERTY_SOURCE(Part::Part2DObject, Part::AttachableObject)
 
 Part2DObject::Part2DObject()
 {
-    this->setAttacher(new AttachEngine3D);
+    this->setAttacher(new Attacher::AttachEngine3D);
 }
 
 

src/Mod/PartDesign/App/DatumCS.cpp

@@ -31,6 +31,7 @@
 #include "DatumCS.h"
 
 using namespace PartDesign;
+using namespace Attacher;
 
 
 // ============================================================================

src/Mod/PartDesign/App/DatumPoint.cpp

@@ -72,6 +72,7 @@
 #endif
 
 using namespace PartDesign;
+using namespace Attacher;
 
 // ============================================================================
 

src/Mod/PartDesign/Gui/Command.cpp

@@ -66,6 +66,7 @@
 #include "ui_DlgReference.h"
 
 using namespace std;
+using namespace Attacher;
 
 
 //===========================================================================

src/Mod/PartDesign/Gui/TaskFeaturePick.cpp

@@ -53,6 +53,7 @@
 #include <Mod/Part/App/DatumFeature.h>
 
 using namespace PartDesignGui;
+using namespace Attacher;
 
 // TODO Do ve should snap here to App:Part or GeoFeatureGroup/DocumentObjectGroup ? (2015-09-04, Fat-Zer)
 const QString TaskFeaturePick::getFeatureStatusString(const featureStatus st)

src/Mod/PartDesign/Gui/Utils.cpp

@@ -50,6 +50,7 @@
 //===========================================================================
 // Helper for Body
 //===========================================================================
+using namespace Attacher;
 
 namespace PartDesignGui {
 

src/Mod/Sketcher/Gui/Command.cpp

@@ -56,6 +56,7 @@
 using namespace std;
 using namespace SketcherGui;
 using namespace Part;
+using namespace Attacher;
 
 
 namespace SketcherGui {