Report from Mate Wierdl <mw.memphis.edu>:

-- I create a new user, ab, so that I get a default environment.

-- I am running in runlevel 5, and I login as ab.

-- I click on the terminal icon in the panel to start a gnome
    terminal.

-- I start an xterm with

   xterm&

-- I start another gnome-terminal (from gnome-terminal) with

   gnome-terminal &

-- I click on the `X' in the upper right hand corner of
   gnome-terminal. While both gnome-terminals disappear, xterm
   stays.