@command{lilypond-book} produces a file with one of the following
extensions: @file{.tex}, @file{.texi}, @file{.html} or @file{.xml}, depending on the
-output format. All of @file{.tex}, @file{.texi} and @{.xml} files need further
+output format. All of @file{.tex}, @file{.texi} and @file{.xml} files need further
processing.
@command{lilypond-book} can also create a PSFONTS file, which is required