When using the XYPixmap format for a XCBImage, nothing is drawn First thing to do : understand that format :)
See also bug #6641, "xcb-demo/neko 'mouse-shaped cursor' not rendered properly"
triage: xcb-image util library was completely rewritten. XYPixmaps should now work. Also, Bart Massey is now the maintainer of the xcb-image library in xcb/util.
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