PrintCompositor.setFooterFormat

void setFooterFormat(bool separator, string left = null, string center = null, string right = null)

See [gtksource.print_compositor.PrintCompositor.setHeaderFormat] for more information about the parameters.

`separator`	true if you want a separator line to be printed.
`left`	a format string to print on the left of the footer.
`center`	a format string to print on the center of the footer.
`right`	a format string to print on the right of the footer.