- sec. 6.1: new reference format and new options (not French)
- sec. 6.5: section and its subsections completely rewritten
- sec. 6.8: new feature "inverted branches" (not French)
- sec. 6.1: new reference format and new options (not French)
- sec. 6.5: section and its subsections completely rewritten
- sec. 6.8: new feature "inverted branches" (not French)