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Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Gunnar Evermann <ge204@eng.cam.ac.uk> writes:
> 
> >  Comparison between integer and character is constant nil (?0 and -1)
> >    [parse-time-tokenize, parse-time-string, byte-code, date-to-time, article-make-date-line, article-date
-ut, <compiled-function of unknown origin>, call-interactively, if, save-excursion, (lambda (&optional intera
ctive &rest args) "Convert the current article date to the local timezone." (interactive (list t)) (save-excu
rsion (set-buffer gnus-article-buffer) (if interactive (call-interactively (quote article-date-local)) (apply
 (quote article-date-local) args)))), call-interactively]
> 
> What thing in that function is triggering this warning?


Sorry, I guess I could have been more helpful...

The warning is triggered in parse-time-tokenize in the following loop
or the one after that:

      (while (and (< index end)         ;skip invalid characters
                  (not (setq c (parse-time-string-chars (aref string index)))))
        (incf index))
      (setq start index all-digits (eq c ?0))

The value of parse-time-syntax is:

[nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil 1 nil -1 nil nil ?0 ?0 ?0 ?0 ?0 ?0
?0 ?0 ?0 ?0 ?d nil nil nil nil nil nil ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A
?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A ?A nil nil nil nil nil
nil ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a ?a
?a ?a ?a ?a nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil]


the culprit obviously is at parse-time.el:60

  (aset parse-time-syntax ?- -1)

As metioned the problem only happens when a message contains a
timezone like -0000


HTH

  Gunnar

-- 
    Gunnar Evermann
Speech, Vision & Robotics Group
Engineering Department
Cambridge University