@end ignore
+@item
+@code{\bookpart} blocks may be used to split a book into several parts,
+separated by a page break, in order to ease the page breaking, or to use
+different @code{\paper} settings in different parts.
+
+@example
+\bookpart @{
+ \header @{
+ title = "Book title"
+ subtitle = "First part"
+ @}
+ \score @{ @dots{} @}
+ @dots{}
+@}
+\bookpart @{
+ \header @{
+ subtitle = "Second part"
+ @}
+ \score @{ @dots{} @}
+ @dots{}
+@}
+@end example
+
@item
Nested contexts of the same type are now allowed.
This deprecates @code{InnerStaffGroup} and @code{InnerChoirStaff}.