splitting weird on emacs trunk gnus

[Thien-Thi Nguyen]

The trunk (pulled a few hours ago, built and run in-place) Emacs
Gnus no longer behaves sensibly for ‘B t’.  Previously, i'd see
the trace buffer with one or more groups and their derivations.
Now, i see instead the article displayed and "This message would
go to bogus" in the echo area.

I ‘edebug-defun’ed ‘gnus-summary-respool-query’ and then later
also ‘nnmail-article-group’, and found that ‘nnmail-split-methods’
has value nil at evaluation time, which is strange since it is
‘let’-bound (nnimap source) in its caller and i would expect it to
have the value of var ‘nnmail-split-fancy’ (a hairy sexp omitted
here).  Hmmm...

Anyone else see similar weirdness?

-- 
Thien-Thi Nguyen
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