From Timur:

Comments after ClassDef added.


git-svn-id: http://root.cern.ch/svn/root/trunk@19013 27541ba8-7e3a-0410-8455-c3a389f83636

gl/inc/TGLContext.h

@@ -42,7 +42,7 @@ private:
    TGLContext(const TGLContext &);
    TGLContext &operator = (const TGLContext &);
 
-   ClassDef(TGLContext, 0)
+   ClassDef(TGLContext, 0)//This class controls internal gl-context resources.
 };
 
 #endif

gl/inc/TGLWidget.h

@@ -148,7 +148,7 @@ private:
 
    std::pair<void *, void *> GetInnerData()const;
 
-   ClassDef(TGLWidget, 0)
+   ClassDef(TGLWidget, 0)//Window (widget) version of TGLPaintDevice
 };
 
 #endif