Restore inherit primary header functionality
Restore inherit primary header functionality

ejeschke/ginga,naojsoft/ginga,pllim/ginga,pllim/ginga,stscieisenhamer/ginga,ejeschke/ginga,ejeschke/ginga,naojsoft/ginga,stscieisenhamer/ginga,stscieisenhamer/ginga,naojsoft/ginga,pllim/ginga