Please describe the problem:
stemp@caderousse:~/gdm$ gdmthemetester xdmcp Blubuntu-List

GDM Theme Tester

Be sure to test all the environments:
 console, console-timed, flexi, remote-flexi, xdmcp
Also be sure to test using caps lock

eval: 1: Syntax error: "(" unexpected

/usr/bin/gdmthemetester (line 94 to 99) :

if [ "x$XNESTSIZE" = x ] ; then
  eval `gdmXnest -b`
else
  eval `gdmXnest -b -o "-geometry $XNESTSIZE"`
fi

Steps to reproduce:
1. gdmthemetester xdmcp Blubuntu-List
2. 
3. 


Actual results:
eval: 1: Syntax error: "(" unexpected

Expected results:
launch the gdm login test

Does this happen every time?
yes

Other information:
/usr/bin/gdmthemetester (line 94 to 99) :

if [ "x$XNESTSIZE" = x ] ; then
  eval `gdmXnest -b`
else
  eval `gdmXnest -b -o "-geometry $XNESTSIZE"`
fi