Commit 37276f33bc7d873cc82c4597d2c788b9dbe1c22d Parent 72406ff04d9a58613ae7ff461dacac9dea3cdb3f Author John MacFarlane <jgm@berkeley.edu> Date Sat, 25 Oct 2014 17:53:57 -0700 Clarified mention of "lazy line" with link and further example. See #91.