Change heading, add speed as a feature
Change heading, add speed as a feature

commonmark/commonmark-java,marksutt/commonmark-java,jiakuan/commonmark-java,marksutt/commonmark-java,commonmark/commonmark-java,chiwanpark/commonmark-java,chiwanpark/commonmark-java,vsch/commonmark-java,vsch/commonmark-java,commonmark/commonmark-java,jiakuan/commonmark-java,marksutt/commonmark-java,vsch/flexmark-java,atlassian/commonmark-java,vsch/commonmark-java,pcj/commonmark-java,pcj/commonmark-java,jiakuan/commonmark-java,vsch/flexmark-java,atlassian/commonmark-java,atlassian/commonmark-java,vsch/flexmark-java,chiwanpark/commonmark-java,vsch/flexmark-java,pcj/commonmark-java