Determines if a header is set to be printed for each page.
A header will be printed if this function returns true **and** some format strings have been specified with gtksource.print_compositor.PrintCompositor.setHeaderFormat.
true if the header is set to be printed.
Determines if a header is set to be printed for each page.
A header will be printed if this function returns true **and** some format strings have been specified with gtksource.print_compositor.PrintCompositor.setHeaderFormat.