@command{lilypond-book} produces a file with one of the following
extensions: @file{.tex}, @file{.texi}, @file{.html} or @file{.xml}, depending on the
@command{lilypond-book} produces a file with one of the following
extensions: @file{.tex}, @file{.texi}, @file{.html} or @file{.xml}, depending on the