I've put the empty nonterminal between the parenthesized sections, but the new error came up in a spot which wasn't reported to fail previously.
/ Marek Habersack (Grendel)
Previous text:
2002-10-19 12:29: Subject: Bison woes continued (this time with 1.75)
Yes, that seems to be an (as of yet) unreported bison 1.50 and 1.75 bug.
I've now reported it.
/ Henrik Grubbström (Lysator)