Comment on "Fun and frustration with quarkonium in a 1+1 dimension," by   R. S. Bhalerao and B. Ram [Am. J. Phys. 69 (7), 817-818 (2001)]
  We present the correct solution of the Dirac equation in 1+1 dimensions with the Lorentz scalar potential V(x)=g|x|. 
R. M. Cavalcanti