\pdfcompresslevel=0

\noindent
% See PDF Reference 1.7 section 4.6.3 (page 302)
\pdfpageresources{ /Shading <<
	/axi <<
		/ShadingType 2
		/ColorSpace /DeviceGray
		% /BBox [0 0 596 842]
		/Coords [0 421 596 421]
		/Domain [0.6 0.1]
		% Functions: section 3.9 (page 166)
		/Function <<
			/FunctionType 2
			/Domain [0 1]
			/N 0.7
		>>
	>>
	/rad <<
		/ShadingType 3
		/ColorSpace /DeviceGray
		/BBox [0 0 300 300]
		/Coords [220 270 0 250 250 50]
		/Domain [1 0.1]
		/Function <<
			/FunctionType 2
			/Domain [0 1]
			/N 0.5
		>>
	>>
>> }
\pdfliteral page {/axi sh /rad sh}

Brum

\bye
