Update to CommonMark spec 0.27 (#73)
Update to CommonMark spec 0.27 (#73)

vsch/commonmark-java,atlassian/commonmark-java,atlassian/commonmark-java,commonmark/commonmark-java,commonmark/commonmark-java,commonmark/commonmark-java,vsch/commonmark-java,atlassian/commonmark-java,vsch/commonmark-java