- Add basic biblioref support. Its specific attributes are not handled yet.

- Allow the appendices to be followed by other sections.

- Add the ability to convert on the fly SVG figures to PDF through `inskscape`: apply patch #2821475 from David Necas.

- Improve the ability to format in bold or italic the elements embedded in programlistings or screens.

- Add the parameters:

  - index.tocdepth.

  - index.numbered.

  - bibliography.tocdepth.

  - bibliography.numbered.

  - xref.hypermarkup.

- A number of bug fixes.