source/texk/web2c/web2c/cvtmf2.sed

   1             s/else write/else\
   2 write/
   3             s/ maxcoef\( *[^( ]\)/ lmaxcoef\1/g
   4             s/ b1/ lb1/g
   5             s/ b2/ lb2/g
   6             s/ b3/ lb3/g