coming-password-prompt-regexp doesn't support ssh prompting with filenames

[David Edmondson]

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In GNU Emacs 21.2.1 (i386-pc-solaris2.9, X toolkit, Xaw3d scroll bars)
 of 2002-03-20 on pantalamion
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  value of $LC_CTYPE: C
  value of $LC_MESSAGES: C
  value of $LC_MONETARY: C
  value of $LC_NUMERIC: C
  value of $LC_TIME: C
  value of $LANG: C
  locale-coding-system: nil
  default-enable-multibyte-characters: t

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

Recent OpenSSH version can emit passphrase prompts of the form:
       Enter passphrase for key '/export/home/de128083/.ssh/id_rsa': 
This is not catered for by comint-password-prompt-regexp.  A proposed
setting might be:

(setq comint-password-prompt-regexp
"\\(\\([Oo]ld \\|[Nn]ew \\|Kerberos \\|'s \\|login \\|CVS \\|^\\)[Pp]assword\\( 
(again)\\)?\\|pass phrase\\|Enter passphrase\\)\\( for \\([^@   
]+@[^@  
]+\\|key '[^']+'\\)\\)?:\\s *\\'")



Recent input:
o C-x 2 C-x b <return> <return> C-x o C-x o C-p C-p 
C-p C-p C-p C-p C-p C-p C-SPC C-n C-n C-n C-n C-M-k 
C-x b e m <tab> a <tab> C-n C-p C-n C-p C-n C-a C-y 
C-p C-p C-p C-p C-o ; SPC s u p p o r t SPC f o r SPC 
f i l e n a m e SPC <backspace> s SPC i n SPC s s h 
SPC p r o m p t s C-x C-s <switch-frame> M-x r e p 
o <tab> e <tab> <backspace> r <tab> <tab> <return>

Recent messages:
call-interactively: Quit
isearch-abort: Quit
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Wrote /export/home/de128083/etc/emacs
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