We have changed the interpretation of what your lab should do with
the "-r" flag. See the post on Piazza (labelled "left recursion", dated
2nd Hour Exam
Information on what will be covered is found on slide 2 of lecture 28,
"The Linkage Convention, II" (see below).
The exam will be Tuesday, Novemeber 4 at 7PM in DH 1055.
A practice exam is available.