has proven insignificant for practical grammars.
@end itemize
+While the basic premise behind LAC has been recognized in the parser
+community for years, for the first publication that uses the term LAC and
+that discusses Bison's LAC implementation, @pxref{Bibliography,,Denny 2010
+May}.
+
@node Unreachable States
@subsection Unreachable States
@findex %define lr.keep-unreachable-states