tree 217726a07a8a20c1c79b3970d6237eaff6327742
parent 7358ef23c2b412543196df58c333ebc9aabb1d62
author Mark Adler <madler@alumni.caltech.edu> 1483329744 -0800
committer Mark Adler <madler@alumni.caltech.edu> 1483338277 -0800

Minor edits and clarifications of comments.