Description of problem:
Menu items of motif apps, do not display correctly in an Xnest window.

Version-Release number of selected component (if applicable):
xorg-x11-server-Xnest-1.1.1-47.5

How reproducible:
Always

Steps to Reproduce:
1.Xnest -ac :1 &
2.twm -display :1 (also on other window managers such as kdm and xfwm4)
3.run any motif app
  
Actual results:
Some expected menu items are invisible. After a few clicks on missing items 
locations they appear (sometimes)

Expected results:
Proper display of pull-down menus


Additional info:
This behaviour has been reported in OpenSolaris bug database with Bug id 
6366490 (http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6366490)
Sun has recently released a patch fixing it
I could also verify that this problem is not present if Xvnc is used instead of 
Xnest