> On Tuesday 05 of July 2011 09:31:43 Rudolf Sykora wrote: > > (...) > > Is there any better way? Can rc be told to give some > > more helpful info? > > there are: > flag x + > flag r + > > the output produced by r + is somewhat strange, but may be good enough. In > your case, it shows difference between *$a* and *$a^*: > > the former is: > > Xdol (a*) () () > Xmark () () > Xword () () () > Xconc (*) () () > rc: null list in concatenation
this is a trace of the rc virtual machine. it's not easy to follow, or helpful in most cases. if the problem is the null list in concatination, i made a small change to rc to give more information about these problems in the error message on steve's suggestion. this version of rc is available as quanstro/futharc or on the 9atom cd. - erik
