XCB TODO
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-* needs testing on Linux, x86, <32
- * XPutImage does all sorts of image conversion, required for
- making the 1Ll bitmaps compatible with the display.
- I only supported (1Ll --> 4Mm)
- * Move such support to xcb-image
* -root needs testing (Mac X is rootless)
* DEBUG not supported
* -geometry not supported
XCB ENHANCEMENTS
----------------
-* autoconf
-* use WM_DELETE_WINDOW protocol
+* autoconf (using `pkg-config` for now)
* too many globals! refactor
* no X resource cleanup. OK?
* convert to use threading