This is great, and I've bookmarked it for reference while reading LYAH. Thanks for writing it. For anyone who needs a refresher on DFA, Stanford's CS143 compil

This is great, and I've bookmarked it for reference while reading LYAH. Thanks for writing it. For anyone who needs a refresher on DFA, Stanford's CS143 compilers class course materials are up on Coursera (https://www.coursera.org/course/compilers https://www.coursera.org/course/compilers), and pretty helpful.