fc echoing DEBUG trap

[Carlos Pita]

Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu'
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash'
-DSHELL -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib
-D_FORTIFY_SOURCE=2 -march=i686 -mtune=generic -O2 -pipe
-fstack-protector --param=ssp-buffer-size=4
-DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/bin'
-DSTANDARD_UTILS_PATH='/usr/bin' -DSYS_BASHRC='/etc/bash.bashrc'
-DSYS_BASH_LOGOUT='/etc/bash.bash_logout'
uname output: Linux netbook 3.10.3-1-ARCH #1 SMP PREEMPT Fri Jul 26
17:13:15 CEST 2013 i686 GNU/Linux
Machine Type: i686-pc-linux-gnu

Bash Version: 4.2
Patch Level: 45
Release Status: release

Description:

  If you set a DEBUG trap fc echoes it along the edited commands after
leaving editor.

Repeat-By:

  trap ': nothing to do' DEBUG
  ls
  fc   # just exit the editor

  You will see ': nothing to do' preceding the file list.