GNU bug report logs - #16934
24.3.50; completion-table-dynamic causes error numberp nil

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Bastien <bzg <at> altern.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#16934: closed (24.3.50; completion-table-dynamic causes error
 numberp nil)
Date: Tue, 04 Mar 2014 14:39:03 +0000

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Your message dated Tue, 04 Mar 2014 15:38:05 +0100
with message-id <87r46i2fn6.fsf <at> bzg.ath.cx>
and subject line Re: bug#16934: 24.3.50; completion-table-dynamic causes error numberp nil
has caused the debbugs.gnu.org bug report #16934,
regarding 24.3.50; completion-table-dynamic causes error numberp nil
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
16934: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16934
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Leo Liu <sdl.web <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; completion-table-dynamic causes error numberp nil
Date: Tue, 04 Mar 2014 19:31:15 +0800

If I modify octave-completion-at-point to allow (= beg end), i.e.

=== modified file 'lisp/progmodes/octave.el'
--- lisp/progmodes/octave.el	2014-02-10 01:34:22 +0000
+++ lisp/progmodes/octave.el	2014-03-04 11:22:04 +0000
@@ -1414,10 +1414,9 @@
         ;; Extend region past point, if applicable.
         (save-excursion (skip-syntax-forward "w_")
                         (setq end (point))))
-    (when (> end beg)
-      (list beg end (or (and (inferior-octave-process-live-p)
-                             (inferior-octave-completion-table))
-                        octave-reserved-words)))))
+    (list beg end (or (and (inferior-octave-process-live-p)
+                           (inferior-octave-completion-table))
+                      octave-reserved-words))))
 
 (define-obsolete-function-alias 'octave-complete-symbol
   'completion-at-point "24.1")


I can reproduce the error this way:

1. Create a new buffer
2. M-x run-octave
3. M-x octave-mode
4. M-x completion-at-point a few times


Debugger entered--Lisp error: (wrong-type-argument numberp nil)
  zerop(nil)
  minibuffer-completion-help(#<marker at 533 in *Scratch*> 533)
  completion--do-completion(#<marker at 533 in *Scratch*> 533)
  completion--in-region-1(#<marker at 533 in *Scratch*> 533)
  ....
  completion-at-point()
  indent-for-tab-command(nil)
  call-interactively(indent-for-tab-command nil nil)
  command-execute(indent-for-tab-command)

I also tried with ggtags-completing-table and got the same error in 24.4

Both completion tables work well in 24.3.

Leo

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From: Bastien <bzg <at> altern.org>
To: Leo Liu <sdl.web <at> gmail.com>
Cc: 16934-done <at> debbugs.gnu.org
Subject: Re: bug#16934: 24.3.50; completion-table-dynamic causes error
 numberp nil
Date: Tue, 04 Mar 2014 15:38:05 +0100

Leo Liu <sdl.web <at> gmail.com> writes:

> If I modify octave-completion-at-point to allow (= beg end), i.e.

Closing too - see my reply to bug #16934.

PS: I assume it's fine to close two related bugs separately instead of
merging them first.  If not, please let me know.

-- 
 Bastien

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