l (%AI5_BeginLayer) 1 (%AI5_EndLayer–) discard } { % masking forward from this layer % no printing, but clip path must survive % set the clipForward?…

% nested discard call (%AI5_BeginLayer) 1 (%AI5_EndLayer–) discard } { % masking forward from this layer % no printing, but clip path must survive % set the clipForward? Flag in the vars dict /clipForward? % end layer : % assume that if discardSave is non-null % then the layer was bracketed by “save…restore % else we must test for clipping forward /LB % ==> Lb ==> ….. { discardSave dup null ne { % undo the save restore } { pop clipForward? /clipForward?