Editing Book parts

<code>\bookpart</code> can be used to split a book into several parts. Each part last page can be affected by <code>ragged-last-bottom</code>. Header and footer markups can detect a part's last page to differentiate with the book's last page.

<lilypond version="2.24" full>
#(set-default-paper-size "a6")

\book {
  %% book paper, which is inherited by all children bookparts
  \paper {
    ragged-last-bottom = ##t
    %% Page footer: add a different part-tagline at part last page
    oddFooterMarkup = \markup {
      \column {
        \fill-line {
          %% Copyright header field only on book first page.
          \if \on-first-page \fromproperty #'header:copyright
        }
        \fill-line {
          %% Part tagline header field only on each part last page.
          \if \on-last-page-of-part \fromproperty #'header:parttagline
        }
        \fill-line {
          %% Tagline header field only on book last page.
          \if \on-last-page \fromproperty #'header:tagline
        }
      }
    }
  }

  %% book header, which is inherited by the first bookpart
  \header {
    title = "Book title"
    copyright = "Copyright line on book first page"
    parttagline = "Part tagline"
    tagline = "Book tagline"
  }

  \bookpart {
    %% a different page breaking function may be used on each part
    \paper { page-breaking = #ly:minimal-breaking }
    \header { subtitle = "First part" }
    \markup { The first book part }
    \markup { a page break }
    \pageBreak
    \markup { first part last page }
    \markup \wordwrap {
      with ragged-last-bottom (see the space below this text) }
  }

  \bookpart {
    \header { subtitle = "Second part" }
    { c'4 }
  }

}
</lilypond>

[[Category:Paper and layout]]
[[Category:Included in the official documentation]]
[[Category:Snippet]]