at the top of the @code{.ly} file.
@item -f,--format=@var{format}
-which formats should be written. Choices are @code{svg}, @code{ps},
-@code{pdf}, @code{png}, @code{tex}, @code{dvi}.
+which formats should be written. Choices for @code{format} are
+@code{svg}, @code{ps}, @code{pdf}, @code{png}, @code{tex}, @code{dvi}.
+
+Example: @code{lilypond -fpng filename.ly}
@item -b,--backend=@var{format}
-the output format to use for the back-end. Choices are
+the output format to use for the back-end. Choices for @code{format} are
@table @code
@item tex
for @TeX{} output, to be processed with La@TeX{}. If present, the file
@cindex Scheme dump
@end table
+Example: @code{lilypond -bsvg filename.ly}
+
@cindex output format, setting
@item -d,--define-default=@var{var}=@var{val}