#ext: dot

#preproc:

sub{my ($s,$op)=@_;
  my $o=gettexopts($op);
  $s =~ s!\{!{\nrankdir=$o->{_rankdir}!  if $o->{_rankdir};
  $s;
}

#procfile: 

sub{my ($fbase,$op)=@_;
  my $o=gettexopts($op);
  make("$fbase.pdf");
  includegraphics("$fbase.pdf",$o);
};

#makefile:

%.pdf: %.dot
	dot -Tpdf  $*.dot > $*.pdf