  IfStr("%$('%!9-C-style-errors');","1",!"=",!"LetReg(3,'%!3 --file-line-error');");
  // Aux Directory?
  IfStr("%$('TeX System');","MiKTeX","=",>
    !|IfStr('%O','%P','<>',!`LetReg(3,'%!3 --include-directory="%P"');`);|);
  // Build the Command Line ...
