bug#2463: 23.0.90; tramp: coreutils' base64(1) in tramp-remote-coding-commands?

From a mailing list:

>> How do I get to the HTML code and not the BINARY code uudecode
>> produces?
>
> Other have suggested other tools, but GNU coreutils includes
> /usr/bin/base64 which can encode and decode base64 files.

I don't find a reference to the base64 program in
tramp-remote-coding-commands.  Is there a reason for this?

In GNU Emacs 23.0.90.1 (i486-pc-linux-gnu, GTK+ Version 2.12.12)
 of 2009-02-22 on elegiac, modified by Debian
 (emacs-snapshot package, version 1:20090222-1)
Windowing system distributor `The X.Org Foundation', version 11.0.10503000
configured using `configure  '--build' 'i486-linux-gnu' '--host' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/23.0.90/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.0.90/site-lisp:/usr/share/emacs/site-lisp' '--with-x=yes' '--with-x-toolkit=gtk' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_AU.utf8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  eldoc-mode: t
  paredit-mode: t
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  rcirc-track-minor-mode: t
  savehist-mode: t
  icomplete-mode: t
  partial-completion-mode: t
  show-paren-mode: t
  delete-selection-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  view-mode: t

Recent input:
ESC [ 4 ~ ESC O A ESC [ 4 ~ DEL ESC O B ESC O B ESC 
O B ESC O B ESC O B ESC O B RET RET <switch-frame> 
ESC O A ESC O B ESC O B ESC O B ESC O B ESC O B C-s 
t r a m p - p e r - DEL l - d e c o d e ESC [ 1 ~ ESC 
O B ESC C-@ ESC w <switch-frame> DEL RET ESC 1 ESC 
: ESC ( i n s e r t SPC C-y C-x C-x C-g RET ESC { ESC 
{ ESC { ESC { ESC { ESC { ESC { ESC { ESC { ESC { ESC 
O B C-d C-d p e r l ESC [ 1 ~ C-@ ESC > ESC 4 C-x TAB 
C-x C-s ESC { ESC { ESC { ESC { ESC { ESC { ESC { ESC 
{ ESC O A ESC O A ESC O A ESC O A ESC O A ESC O A ESC 
O A ESC O A ESC O A ESC O A ESC O A ESC O A ESC O A 
ESC O A ESC O A ESC O A ESC O A ESC O A ESC O A ESC 
O A ESC O A ESC O A ESC O A ESC O A ESC O B ESC O B 
ESC O B ESC O B ESC O B C-x C-s ESC O A ESC O A ESC 
O A ESC O A ESC O A ESC O A ESC O A ESC O A ESC O A 
<switch-frame> ESC O A ESC x r e p o r t SPC e m a 
c s SPC b u g RET

Recent messages:
Auto-saving...done
Mark set [4 times]
Mark saved where search started
Mark set [2 times]
Auto-saving...done
Mark saved where search started
Mark set [2 times]
Saving file /tmp/mutt-Clio-1187-4054-34...
Wrote /tmp/mutt-Clio-1187-4054-34
(No changes need to be saved)