This function indicates that subsequent calls to
cairo_ps_surface_dsc_comment() should direct comments to the
PageSetup section of the PostScript output.
This function call is only needed for the first page of a
surface. It should be called after any call to
cairo_ps_surface_dsc_begin_setup() and before any drawing is
performed to the surface.
See cairo_ps_surface_dsc_comment() for more details.
Since 1.2
This function indicates that subsequent calls to cairo_ps_surface_dsc_comment() should direct comments to the PageSetup section of the PostScript output. This function call is only needed for the first page of a surface. It should be called after any call to cairo_ps_surface_dsc_begin_setup() and before any drawing is performed to the surface. See cairo_ps_surface_dsc_comment() for more details. Since 1.2