This function indicates that subsequent calls to
cairo.global.psSurfaceDscComment should direct comments to the Setup
section of the PostScript output.
This function should be called at most once per surface, and must
be called before any call to cairo.global.psSurfaceDscBeginPageSetup
and before any drawing is performed to the surface.
This function indicates that subsequent calls to cairo.global.psSurfaceDscComment should direct comments to the Setup section of the PostScript output.
This function should be called at most once per surface, and must be called before any call to cairo.global.psSurfaceDscBeginPageSetup and before any drawing is performed to the surface.
See cairo.global.psSurfaceDscComment for more details.