On Sun, Sep 19 2010, Lars Magne Ingebrigtsen wrote:

> We got a fair amount of nnimap testing and bug stomping yesterday, but
> I'm sure there must be a lot more problems hiding here and there, so
> it'd be great if more IMAP users took the plunge and gave the new nnimap
> a whirl and report problems (or whether it works fine for your).

I was reading manoj mail. I pressed ^.
The parent (your (Lars) mail) was not visible in the summary.

This is the error I got:

Debugger entered--Lisp error: (wrong-type-argument listp t)
  gnus-read-header("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  gnus-summary-insert-subject("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  byte-code("\304 \305\211\203- 	@\306!\203& \307\n!\211\203& \310\305\211\211$\210\311\312\313\"\210	A\211\204	 *\314\315\316\n#\207" [gnus-override-method --cl-dolist-temp-- message-id number gnus-refer-article-methods nil gnus-check-server gnus-summary-insert-subject gnus-summary-select-article throw found t gnus-message 3 "Couldn't fetch article %s"] 6)
  gnus-summary-refer-article("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  gnus-summary-refer-parent-article(1)
  call-interactively(gnus-summary-refer-parent-article nil nil)
  recursive-edit()
  byte-code("\306	@\307=\203! \310\311\312\"\210\313\311!\211A@)\242\314=\203! \310\315\312\"\210\316!\210\317 \210\320	!\210\f\203d \321ed\"V\203W eb\210\322\245y\210`db\210\322\245Zy\210`|\210)\323c\210eb\210\324\325\326 \"\210\327\306!\210\324\330!\210\331\312\324\330!\210\212\332 \210+\331\207" [unread-command-char debugger-args x debugger-buffer noninteractive debugger-batch-max-lines -1 debug backtrace-debug 4 t backtrace-frame lambda 5 pop-to-buffer debugger-mode debugger-setup-buffer count-lines 2 "...\n" message "%s" buffer-string kill-emacs "" nil recursive-edit middlestart buffer-read-only standard-output] 4)
  debug(error (wrong-type-argument listp t))
  gnus-read-header("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  gnus-summary-insert-subject("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  byte-code("\304 \305\211\203- 	@\306!\203& \307\n!\211\203& \310\305\211\211$\210\311\312\313\"\210	A\211\204	 *\314\315\316\n#\207" [gnus-override-method --cl-dolist-temp-- message-id number gnus-refer-article-methods nil gnus-check-server gnus-summary-insert-subject gnus-summary-select-article throw found t gnus-message 3 "Couldn't fetch article %s"] 6)
  gnus-summary-refer-article("<m3lj6xx4mn.fsf@quimbies.gnus.org>")
  gnus-summary-refer-parent-article(1)
  call-interactively(gnus-summary-refer-parent-article nil nil)


If I do press `/ o 100', the parent mail become visible and it works as
expected.

-- 
Julien Danjou
// ᐰ <julien@danjou.info>   http://julien.danjou.info