@item -f,--from=@var{from-patchlevel}
Set the version to convert from. If this is not set, @command{convert-ly}
will guess this, on the basis of @code{\version} strings in the file.
@item -f,--from=@var{from-patchlevel}
Set the version to convert from. If this is not set, @command{convert-ly}
will guess this, on the basis of @code{\version} strings in the file.