code: private void checkXMLSpaceAttribute(SVG.SvgObject obj)
     {
        if (!(obj instanceof SvgElementBase))
          return;
  
        SvgElementBase bobj = (SvgElementBase) obj;
        if (bobj.spacePreserve != null)
           state.spacePreserve = bobj.spacePreserve;
     }
docs: /*
  Check and update xml:space handling.