The "file" command fail to run on ddd 3.3.11-14 on FC6 linux

[PoWah Wong]

I start ddd as follows:
$ ddd &
1] 21917

The "file" command fail to run on ddd 3.3.11-14 on FC6 linux:
(gdb) file /home/powah/prog/clt
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) 
malformed template specification in command

This window pop up:
"DDD: No Source
 /home/powah/prog/<<C++-namespaces>>: No such file or directory"


I can use the same "file" command with gdb:

$ gdb
GNU gdb Red Hat Linux (6.5-15.fc6rh)
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu".
(gdb) file /home/powah/prog/clt
Reading symbols from /home/powah/prog/clt...done.
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb)

$ ddd -v
GNU DDD 3.3.11 (i686-redhat-linux-gnu)
Copyright (C) 1995-1999 Technische Universit�t Braunschweig, Germany.
Copyright (C) 1999-2001 Universit�t Passau, Germany.
Copyright (C) 2001 Universit�t des Saarlandes, Germany.
Copyright (C) 2001-2004 Free Software Foundation, Inc.

# rpm -qf /usr/bin/ddd
ddd-3.3.11-14.fc6



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