Draw custom bone size errors --bug ?

after making an armature i wanted to make custom bones see the video for the work flow and what is happening
http://www.4shared.com/file/9178191/a5bfbc46/b_bug.html
after giving blend to 2.42 version it looked like this
http://img385.imageshack.us/img385/4766/bone2qx.jpg
i want to make sure its a but or not so test it you selfs :wink: