Dangerous: delete-file deletes current directory as root!!

[Super-User]

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In GNU Emacs 21.2.1 (sparc-sun-solaris2.8, X toolkit)
 of 2002-10-08 on mailserver
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I am not knowledgeable about this platform, but here Emacs has a
serious and dangerous bug.  When running as root (did not try as a
normal user) if one does:

M-x delete-file RET

Emacs deletes the current directory!  I suspect that this is not a
recursive deletion, rather I think that it simply unlinks it, leaving
all the files there but unreachable, because the operation is
instantaneous and the directory I lost was the whole Pyhton source
tree, so it cannot have recursively deleted it in a few tenths of
second.


Recent input:
ESC O A ESC O A ESC O A ESC O B ESC O A ESC O A ESC 
O A ESC O A C-g p w d RET m k d i r SPC a RET c d SPC 
a RET ESC x d e l e t e SPC f i SPC RET RET c d SPC 
. . RET ESC p ESC p ESC p RET c d SPC a RET > b RET 
l s RET ESC x ESC O A RET RET ESC x r e p o r t - e 
m TAB RET

Recent messages:
/usr/local/src 
call-interactively: Quit
repeat-complex-command: Quit
/usr/local/src/a 
/usr/local/src 
History item: 1
History item: 2
History item: 3
/usr/local/src/a 
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