GNU bug report logs - #3862
23.1.50; error calling `documentation' on calendar-mode

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Subject: bug#3862: marked as done (23.1.50; error calling `documentation'
 on calendar-mode)
Date: Sun, 19 Jul 2009 00:45:06 +0000

[Message part 1 (text/plain, inline)]

Your message dated Sat, 18 Jul 2009 20:37:04 -0400
with message-id <6dfxct1pan.fsf <at> fencepost.gnu.org>
and subject line Re: bug#3862: 23.1.50; error calling `documentation' on calendar-mode
has caused the Emacs bug report #3862,
regarding 23.1.50; error calling `documentation' on calendar-mode
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact help-debbugs <at> gnu.org
immediately.)


-- 
3862: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3862
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Kevin Ryde <user42 <at> zip.com.au>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.1.50; error calling `documentation' on calendar-mode
Date: Thu, 16 Jul 2009 09:50:38 +1000

In a recent cvs starting "emacs -Q" and evaluating

    (progn
      (require 'calendar)
      (documentation 'calendar-mode))

gets the error and backtrace below.

For what it's worth it works fine from the actual calendar buffer, but I
was trying in some program code where that wasn't the case.  I hoped I
could generally get the docs for any function from anywhere.

Also incidentally I tried a condition-case around it like

    (condition-case nil
        (documentation 'calendar-mode)
      (error nil))

and was surprised it still went to the debugger.  But maybe that's a
separate problem.



Debugger entered--Lisp error: (void-variable displayed-month)
  calendar-cursor-to-date(t 24)
  cal-menu-set-date-title(("--" ["Holidays" calendar-cursor-holidays] ["Mark date" calendar-set-mark] ["Sunrise/sunset" calendar-sunrise-sunset] ["Other calendars" calendar-print-other-dates] ("Prepare LaTeX buffer" ["Daily (1 page)" cal-tex-cursor-day] ["Weekly (1 page)" cal-tex-cursor-week] ["Weekly (2 pages)" cal-tex-cursor-week2] ["Weekly (other style; 1 page)" cal-tex-cursor-week-iso] ["Weekly (yet another style; 1 page)" cal-tex-cursor-week-monday] ["Monthly" cal-tex-cursor-month] ["Monthly (landscape)" cal-tex-cursor-month-landscape] ["Yearly" cal-tex-cursor-year] ["Yearly (landscape)" cal-tex-cursor-year-landscape] ("Filofax styles" ["Filofax Daily (one-day-per-page)" cal-tex-cursor-filofax-daily] ["Filofax Weekly (2-weeks-at-a-glance)" cal-tex-cursor-filofax-2week] ["Filofax Weekly (week-at-a-glance)" cal-tex-cursor-filofax-week] ["Filofax Yearly" cal-tex-cursor-filofax-year])) ("Write HTML calendar" ["For selected month" cal-html-cursor-month] ["For selected year" cal-html-cursor-year]) ["Diary entries" calendar-mouse-view-diary-entries :keys "d"] ["Insert diary entry" diary-insert-entry] ["Other diary file entries" calendar-mouse-view-other-diary-entries :keys "D"]))
  (easy-menu-filter-return (cal-menu-set-date-title menu) "cal-menu-mouse2")
  (lambda (menu) (easy-menu-filter-return (cal-menu-set-date-title menu) "cal-menu-mouse2"))(("--" ["Holidays" calendar-cursor-holidays] ["Mark date" calendar-set-mark] ["Sunrise/sunset" calendar-sunrise-sunset] ["Other calendars" calendar-print-other-dates] ("Prepare LaTeX buffer" ["Daily (1 page)" cal-tex-cursor-day] ["Weekly (1 page)" cal-tex-cursor-week] ["Weekly (2 pages)" cal-tex-cursor-week2] ["Weekly (other style; 1 page)" cal-tex-cursor-week-iso] ["Weekly (yet another style; 1 page)" cal-tex-cursor-week-monday] ["Monthly" cal-tex-cursor-month] ["Monthly (landscape)" cal-tex-cursor-month-landscape] ["Yearly" cal-tex-cursor-year] ["Yearly (landscape)" cal-tex-cursor-year-landscape] ("Filofax styles" ["Filofax Daily (one-day-per-page)" cal-tex-cursor-filofax-daily] ["Filofax Weekly (2-weeks-at-a-glance)" cal-tex-cursor-filofax-2week] ["Filofax Weekly (week-at-a-glance)" cal-tex-cursor-filofax-week] ["Filofax Yearly" cal-tex-cursor-filofax-year])) ("Write HTML calendar" ["For selected month" cal-html-cursor-month] ["For selected year" cal-html-cursor-year]) ["Diary entries" calendar-mouse-view-diary-entries :keys "d"] ["Insert diary entry" diary-insert-entry] ["Other diary file entries" calendar-mouse-view-other-diary-entries :keys "D"]))
  documentation(calendar-mode)
  (progn (require (quote calendar)) (documentation (quote calendar-mode)))
  eval-region(1 63 t (lambda (ignore) (goto-char 63) (quote (progn ... ...))))  ; Reading at buffer position 8
  apply(eval-region (1 63 t (lambda (ignore) (goto-char 63) (quote ...))))
  eval-defun-2()
  eval-defun(nil)
  call-interactively(eval-defun nil nil)




In GNU Emacs 23.1.50.1 (i586-pc-linux-gnu, GTK+ Version 2.16.4)
 of 2009-07-12 on blah.blah
configured using `configure  'CFLAGS=-O -g' '--prefix=/down/emacs/b/inst' '--with-x-toolkit=gtk''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_AU
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-1-unix
  default-enable-multibyte-characters: t

[Message part 3 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: 3862-done <at> debbugs.gnu.org
Subject: Re: bug#3862: 23.1.50; error calling `documentation' on calendar-mode
Date: Sat, 18 Jul 2009 20:37:04 -0400

  * calendar/cal-menu.el (cal-menu-set-date-title): Handle calls
  from non-calendar buffers (Bug#3862).

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