-@code{ps}, @code{eps} and @code{svg}, but not @code{scm} and generates
-an output file containing the titles and the first system of music. If
-@code{\bookpart} blocks are used, the titles and first system of every
-@code{\bookpart} will appear in the output.
-
-An additional file in the form @code{myFile.preview.extension} is
-generated, to avoid this use the additional @option{-dprint-pages} or
+@code{ps}, @code{eps} and @code{svg}, but not @code{scm}. It generates
+an output file, in the form @code{myFile.preview.extension}, containing
+the titles and the first system of music. If @code{\book} or
+@code{\bookpart} blocks are used, the titles of @code{\book},
+@code{\bookpart} or @code{\score} will appear in the output, including
+the first system of every @code{\score} block if the @code{\paper}
+variable @code{print-all-headers} is set to @code{#t}.
+
+To suppress the usual output, use the @option{-dprint-pages} or