v1.2

• Added support for integrations and editorial additions encoded with <supplied>, with particular attention to omissions (@reason="omitted") and illegible text (@reason="illegible");
• Added support for columns breaks (<cb>) and tables (<table>);
• Added support for <note>s that are not inline and are referenced in the text one or more times with the element <ptr/>;
• Added support for <ref>s whose @target attribute refers to a web page;
• Many bugs fixed!