grep subobjects src/*.cc > grep_subobjects070214.txt
(comments removed)
---------------------------------------------------

src/DisplayUpdateFcns.cc:18: * to be drawn by topobject->Draw; LIFO List begins at topobject->subobjects.

src/display.cc:340://  while (current=current->next != NULL on list of subobjects). 

src/fileio.cc:1262:	assert(topobject!= NULL);	//bug: subobjects = 0 - RJL 030811
src/fileio.cc:1560: * to be drawn by topobject->Draw; LIFO List begins at topobject->subobjects.

src/fprint.cc:580:    current = topobject->subobjects;

In void Ggroup::PrintGraphObjectList(): 
src/graphobject.cc:504:    for (current = subobjects; current != (List *) NULL; current = current -> next)

In graphobject::graphobject(hcg_key iid):
src/graphobject.cc:522:// Prepend 'this' to existing (backward) List object->subobjects.
src/graphobject.cc:532:     	object->subobjects = new List (this, (List*) object->subobjects);

In Ggroup::~Ggroup():
src/graphobject.cc:548:   	if (subobjects != NULL)	// to avoid bug RJL 030811
src/graphobject.cc:549:    		delete subobjects;

In graphobject *Ggroup::findbyindex (hcg_key id):
src/graphobject.cc:614:    for (current = subobjects; current != (List *) NULL; current = current -> next)
    {
        if ((obj = current->object->findbyindex(id))
                        != (graphobject *) NULL)  //<-- recursion!
          break; //exit for loop with obj; -RJL060114
    }

In void Ggroup::doDraw():
src/graphobject.cc:885: * Description: doDraw traverses List* topobject->subobjects
src/graphobject.cc:900:    // topobject is global root of List* subobjects    
src/graphobject.cc:903:    current = topobject->subobjects;	// most recent object (prepended to List)

In void Ggroup::doPrint(void):
src/graphobject.cc:933:    // Ggroup*topobject>List*subobjects->object[->next]... points to HG-components
src/graphobject.cc:949:    current = topobject->subobjects;

In void Ggroup::doselection:
src/graphobject.cc:1055:	  // search list of subobjects for one at <absx,absy>          
src/graphobject.cc:1056:          for (current = topobject->subobjects; current != NULL && 
src/graphobject.cc:1076:	  for (current = topobject->subobjects; current != NULL && 
src/graphobject.cc:1107:    }//topobject->subobjects->object->getcurr() yields cs [NOT XXcurr.RJL040813]	

In void Ggroup::select_HN(Widget w, int x, int y)  // (new vers) :1220-1252:
src/graphobject.cc:1226:    current = topobject->subobjects;
#if 0
src/graphobject.cc:1310:  //  topobject->doselection(x, y); //expand to loop to search subobjects
src/graphobject.cc:1312:  assert(topobject->subobjects!= NULL);
src/graphobject.cc:1313:  for (current = topobject->subobjects; current != NULL; 
#endif
In int Ggroup::select_CG(Widget w, int x, int y):
#if 0:src/graphobject.cc:1414:  for(current = topobject->subobjects; current != NULL 
src/graphobject.cc:1423:  for	(current = topobject->subobjects; 	
         (current != NULL &&
                (((graphobject*)current->object)->select(x, y) == 0));
         current = current->next)
  { //IFF  mouse is inside HN, HL or CG, current!=NULL and select(x,y)!= 0

In void Ggroup::select_HL(Widget w, int x, int y):
src/graphobject.cc:1495:  for(current = topobject->subobjects; current != NULL; 

In void Ggroup::doDump()   // #ifdef DEBUG:
src/graphobject.cc:1896: * Description: doDump traverses List* topobject->subobjects->obj??? (new 040517)
src/graphobject.cc:1920:    List *currentlp;	// init to topobject->subobjects below
src/graphobject.cc:1931:    // topobject is global ptr to root of List* subobjects
src/graphobject.cc:1934:    currentlp = topobject ->subobjects; //List of drawable HN/HL/CG's
src/graphobject.cc:1949:    printf("\tdoDump: currentlp = topobject->subobjects = %px\n", currentlp);

================================================
 grep subobjects include/*.h >>  grep_subobjects070214.txt
-----------------------------
include/graph.h:681:        class List *subobjects;
include/graph.h:685:                subobjects = 0;
include/graph.h:691:              subobjects = subobjects->ListRemoveItem(obj);

==============================================
 grep ListRemoveItem include/*.h src/*.cc >> "grep_subobjects070214.txt"
-------------------------


include/graph.h:670:        List* ListRemoveItem(graphobject*);
include/graph.h:691:                subobjects = subobjects->ListRemoveItem(obj);

src/graphobject.cc:673:List *List::ListRemoveItem (graphobject *theitem)
src/graphobject.cc:711:} //end List::ListRemoveItem