; Warn of while/dolist pitfall in gnus-sum.el

Suggested by Andy Moreton in the following thread:
https://lists.gnu.org/archive/html/emacs-devel/2019-04/msg00294.html
* lisp/gnus/gnus-sum.el (gnus-summary-move-article): Add comment
warning of common while/dolist pitfall. (bug#33653#134)
parent 90c7e363
Pipeline #1221 failed with stage
in 60 minutes and 2 seconds
......@@ -10088,6 +10088,7 @@ ACTION can be either `move' (the default), `crosspost' or `copy'."
(or (car select-method)
(gnus-group-decoded-name to-newsgroup))
articles)
;; This `while' is not equivalent to a `dolist' (bug#33653#134).
(while articles
(setq article (pop articles))
;; Set any marks that may have changed in the summary buffer.
......
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