Commit de6c5fb2c45dfa2791074f7d99a27b23b2106dfc Parent a74295a1ea686611498a75dd45597d224ce99287 Author John MacFarlane <jgm@berkeley.edu> Date Tue, 22 Dec 2015 22:41:33 -0800 CMARK_NODE_HEADER -> CMARK_NODE_HEADING. Defined CMARK_NODE_HEADER to CMARK_NODE_HEADING to ease the transition.