Commit 4811dc3ec2330f015444ac6f5ee4f8cbf3563808 Parent de6c5fb2c45dfa2791074f7d99a27b23b2106dfc Author John MacFarlane <jgm@berkeley.edu> Date Tue, 22 Dec 2015 22:55:39 -0800 Rename hrule -> thematic_break. CMARK_NODE_HRULE -> CMARK_NODE_THEMATIC_BREAK. However we've defined the former as the latter to keep backwards compatibility. See jgm/CommonMark 8fa94cb460f5e516b0e57adca33f50a669d51f6c