This test checks the PostScript extension for custom setpagedevice calls and comments.
The extension attachments need to show up in the area tree XML so the AreaTreeParser can fully restore the area tree.
> ]]>A4 before pageA4 after page> ]]>A4a before page 1A4a after page 1A4a before page 2A4a after page 2> ]]>header comment 1footer comment 1header comment 2footer comment 2Hello World!Hello World!Hello World!