GNU bug report logs - #17257
24.3.90; ediff causes "Wrong type argument: listp, [#<overlay ...> ...]" error

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#17257: closed (24.3.90; ediff causes "Wrong type argument:
 listp, [#<overlay ...> ...]" error)
Date: Mon, 14 Apr 2014 02:25:02 +0000

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Your message dated Mon, 14 Apr 2014 11:24:19 +0900
with message-id <wlmwfoy7fw.wl%mituharu <at> math.s.chiba-u.ac.jp>
and subject line Re: bug#17257: 24.3.90; ediff causes "Wrong type argument: listp, [#<overlay ...> ...]" error
has caused the debbugs.gnu.org bug report #17257,
regarding 24.3.90; ediff causes "Wrong type argument: listp, [#<overlay ...> ...]" error
to be marked as done.

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help-debbugs <at> gnu.org.)


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17257: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17257
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From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.90;
 ediff causes "Wrong type argument: listp, [#<overlay ...> ...]" error
Date: Sun, 13 Apr 2014 18:11:38 +0900

Steps to reproduce:

  1. $ emacs -Q &
  2. M-x ediff RET SOME-FILE RET ANOTHER-FILE RET
     (The contents of SOME-FILE and ANOTHER-FILE should be different.)
  3. Type `n' several times.

Result:

  ediff-set-fine-diff-properties: Wrong type argument: listp, [#<overlay ...> ...]

The error occured at line 825 in lisp/vc/ediff-diff.el:

   817	(defun ediff-set-fine-diff-properties-in-one-buffer (buf-type
   818							     n &optional default)
   819	  (let ((fine-diff-vector  (ediff-get-fine-diff-vector n buf-type))
   820		(face (if default
   821			  'default
   822			(ediff-get-symbol-from-alist
   823			 buf-type ediff-fine-diff-face-alist)
   824			)))
   825	    (dolist (overl fine-diff-vector)
   826	      (ediff-set-overlay-face overl face))))

The value of `fine-diff-vector' was a vector of overlays, so dolist
couldn't be applied to it.

				     YAMAMOTO Mitsuharu
				mituharu <at> math.s.chiba-u.ac.jp

In GNU Emacs 24.3.90.1 (x86_64-apple-darwin10.8.0, GTK+ Version 3.12.0)
 of 2014-04-13 on yamamoto-mitsuharu-no-iMac.local
Repository revision: 116957 eliz <at> gnu.org-20140413074923-hevwygj2z9j67xwk
Windowing system distributor `The X.Org Foundation', version 11.0.10402000
Configured using:
 `configure CPPFLAGS=-I/opt/local/include LDFLAGS=-L/opt/local/lib'

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From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: 17257-done <at> debbugs.gnu.org
Subject: Re: bug#17257: 24.3.90;
 ediff causes "Wrong type argument: listp, [#<overlay ...> ...]" error
Date: Mon, 14 Apr 2014 11:24:19 +0900

Version: 24.4

>>>>> On Sun, 13 Apr 2014 22:05:50 -0400, Stefan Monnier <monnier <at> IRO.UMontreal.CA> said:

>> The value of `fine-diff-vector' was a vector of overlays, so dolist
>> couldn't be applied to it.

> Duh!  Sorry!  I shouldn't have replaced mapcar with dolist but with
> mapc.  Feel free to beat me to it,

Done.  Closing.

				     YAMAMOTO Mitsuharu
				mituharu <at> math.s.chiba-u.ac.jp

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