Some yacc-using tools depend on the features in the backtracking version
of byacc. Enable it as a second yacc build, rather than making the
default yacc backtracking.
cem on Thu, May 21, 11:28 PM.Authored by
Hm, if it's anything like regular expression engines, it means the generated parser could have exponential running time instead of some more limited running time? I don't really know, though. A quick grep shows many many conditional ifdefs and I have not investigated it much yet.