puteps 498 src/bregex.c { puteps(spot,to,spot+1); /* epsilon transition, one branch to the next */
puteps 815 src/bregex.c { puteps(epso(r,q.len),r,EOS(epso(r,q.len)+1)); /* loop */
puteps 864 src/bregex.c puteps(r,rold,EOS(r+1)),r=rold,psimp(VS Ceps pold);
puteps 905 src/bregex.c puteps(r,e,e); /* misused epsilon as branch */