!def!maketitle !let!footnotesize!small !let!footnoterule!relax !setcounter<0> !null !vfil !vskip 60pt !begin
!vskip 3em (t)!@author !end!par> !vskip 1.5em !end
!par !@thanks !vfil !null !end !setcounter<0> !let!thanks!relax !gdef!@thanks<>!gdef!@author<>!gdef!@title<>!let!maketitle!relax> !def!abstract !end
> !def!endabstract