Looks like transset is not doing the "does the window have WM_STATE? recurse through its children if not" logic employed by xprop/xwininfo. Compare Get_Window_Under_Cursor from transset/dsimple.c and Select_Window from xprop/dsimple.c).
Looks like transset is not doing the "does the window have WM_STATE? recurse through its children if not" logic employed by xprop/xwininfo. Compare Get_Window_ Under_Cursor from transset/dsimple.c and Select_Window from xprop/dsimple.c).