- sec. 6.1: new reference format and new options (not F)
- sec. 6.5: section and its subsections completely rewritten
- sec. 6.8: new feature "inverted branches" (not F)
+- sec. A.4.3 new menu
- sec. B.12 new sentences (not F)
- sec. C.1.2.3 new sentence (not F)