ns2.1b5 (allinone): small problem with Queue/DropTail

[Joerg Diederich <dieder@ibr.cs.tu-bs.de>]

Hi!

I am using ns-allinone-2.1b5 on a linux machine and found something
strange using the Droptail queue. To reproduce it, enter the following
lines:

$ ns
% set dt [new Queue/DropTail] 
_o4
% $dt set drop-front_ 1
1
% $dt set drop-front_
can't read "drop": no such variable
% $dt set {{drop-front_}}
1
% 

After the Droptail object is created, I can set the 'drop-front_'
variable, but I cannot read it. (except if I use double curled braces
which works fine but is uncomfortable and not straight forward). It
seems as if the '-' within 'drop-front_' is somewhat disturbing.

Any ideas how to get '$dt set drop-front_' working? (My only idea is
renaming the variable to 'drop_front_' avoiding the '-'.)

Thanks,
/J"org

--
J"org Diederich
Institute of Operating Systems and Computer Networks, 
Technical University Braunschweig, Germany
e-mail: dieder@ibr.cs.tu-bs.de