Don't output Element.id if set to null.
Don't output Element.id if set to null.

foam-framework/foam2,foam-framework/foam2,TanayParikh/foam2,TanayParikh/foam2,foam-framework/foam2,foam-framework/foam2,TanayParikh/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,TanayParikh/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm