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From: Lloyd Zusman <ljz@asfast.com>
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Subject: *Group* buffer disappearance (Re: Pterodactyl Gnus v0.36 is released)
Date: 20 Oct 1998 15:27:40 -400
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There's a bug that exists both in v0.35 and v0.36 whereby the *Group*
buffer seems to mysteriously disappear under certain circumstances.  I
don't think that this particular problem existed in versions <= v0.34.
 
I'm not sure what could be causing this.

Here's the scenario: 
 
(1)  View a message that has at least one `application/octet-stream' 
     MIME attachment. 
 
(2)  [Suppose that this is attachment number 2]  Enter the following  
     command:   `2 b' 
 
(3)  Prompt appears in the mini-buffer asking where to save the 
     attachment.  Enter a file name. 
 
(4)  Attachment gets nicely saved. 
 
(5)  Type `q' to leave summary mode and go back to *Group* buffer. 
 
(6)  The *Group* buffer seems to have disappeared, thereby
     signaling the following error:
 
Signaling: (error "Selecting deleted or non-existent buffer")
  #<compiled-function (from "gnus-sum.elc") (&optional temporary)
  "...(402)" [gnus-set-global-variables gnus-kill-save-kill-buffer
  gnus-async-halt-prefetch gnus-newsgroup-name group
  gnus-group-quit-config quit-config major-mode mode nil group-point buf
  gnus-run-hooks gnus-summary-prepare-exit-hook
  gnus-single-article-buffer gnus-original-article-buffer buffer
  get-buffer buffer-name kill-buffer gnus-article-current gnus-use-cache
  gnus-cache-possibly-remove-articles gnus-cache-save-buffers
  gnus-async-prefetch-remove-group gnus-suppress-duplicates
  gnus-dup-enter-articles gnus-use-trees gnus-tree-close
  nnmail-purge-split-history gname string-match "^[^:]+:" 0
  gnus-exit-group-hook gnus-summary-update-info gnus-newsgroup-adaptive
  gnus-score-adaptive gnus-use-scoring gnus-score-save gnus-close-group
  gnus-group-buffer gnus-group-jump-to-group gnus-summary-exit-hook
  gnus-group-group-name gnus-group-next-unread-group 1 temporary
  gnus-article-buffer mapcar ...] 5
  ("/usr/lib/xemacs/site-lisp/pgnus-0.36/lisp/gnus-sum.elc" . 139872)
  nil>()
  call-interactively(gnus-summary-exit)


Any ideas?

--  
 Lloyd Zusman 
 ljz@asfast.com