how to keep threads collapsed, in a mailbox index, when mail arrives?

[parv]

can anybody tell me how to keep threads collapsed when new mail 
arrives in a mailbox?

say, i am looking at the mailbox index.  all the threads are
collapsed.  as soon as new mail arrives,  the thread receiving the
new mail gets un-collapsed ... which is highly annoying.

i am using mutt 1.3.25i on freebsd 4.5-prerelease.  below is some of
the muttrc, hopefully w/ least of the irrelevant portion...


# threading options
set duplicate_threads=yes
set hide_missing=yes
set thread_received=no
#
set strict_threads=no
set collapse_unread=yes
set uncollapse_jump=yes

# sorting
set sort_alias=alias
set sort_browser=reverse-date
set sort=threads
#set sort=reverse-threads
set sort_aux=last-date-received
set sort_re=yes
...
# collapse all threads in any folder
folder-hook . 'push \eV'


thanks much.

  - parv

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