[Q] Why does this logic not work?

[Sungjin Chun]

Hi,

I've tested appicon making code in barflib and
tested more simple code like attached file( to make,
cc -o test test.c -L/usr/X11R6/lib -lX11 ). This
simple test program works. It simply create appicon
window. But modifying( actually copying DPSwindow
code and rename it as DPSiconwindow and make
NSIconWindow's _initBackendWindow to use
DPSiconwindow function or method. ) xgps backend
using this logic does not work, actually almost no 
difference. In test program the size is exactly 64x64
and no border and it receives arrange icon message
from WindowMaker but GNUstep's appicon has border
so, 65x65 is the size and does not receive arrange icon
message and overlaps existing appicon and mini icon.
Why?

Thanks in advance.