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bug#2406: marked as done (ewoc-collect doesn't match documentatino)


From: Emacs bug Tracking System
Subject: bug#2406: marked as done (ewoc-collect doesn't match documentatino)
Date: Sat, 21 Feb 2009 03:45:03 +0000

Your message dated Fri, 20 Feb 2009 22:37:23 -0500
with message-id <address@hidden>
and subject line Re: bug#2406: ewoc-collect doesn't match documentatino
has caused the Emacs bug report #2406,
regarding ewoc-collect doesn't match documentatino
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 address@hidden
immediately.)


-- 
2406: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=2406
Emacs Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: ewoc-collect doesn't match documentatino Date: Fri, 20 Feb 2009 09:04:54 +0100 User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)
Ths documentation for the ewoc-collect function says "The elements on
the returned list will appear in the same order as in the buffer", but
this is not true.

  (ewoc--set-buffer-bind-dll-let* ewoc
      ((header (ewoc--header ewoc))
       (node (ewoc--node-nth dll -2))
       result)
    (while (not (eq node header))
      (if (apply predicate (ewoc--node-data node) args)
          (push (ewoc--node-data node) result))
      (setq node (ewoc--node-prev dll node)))
    (nreverse result)))

As you can see, it goes throuth the nodes backwards and conses a list,
which will thus be in the correct order. But then it ends with a call
to nreverse that reverses the order so that the return result has the
nodes completely backwards.

Replacing "(nreverse result)" with "result" produces the expected
result.


In GNU Emacs 22.2.1 (x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2008-09-05 on yellow, modified by Ubuntu
Windowing system distributor `The X.Org Foundation', version 11.0.10502000
configured using `configure  '--build=x86_64-linux-gnu' 
'--host=x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' 
'--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' 
'--enable-locallisppath=/etc/emacs22:/etc/emacs:/usr/local/share/emacs/22.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.2/leim'
 '--with-x=yes' '--with-x-toolkit=athena' '--with-toolkit-scroll-bars' 
'build_alias=x86_64-linux-gnu' 'host_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN 
-DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

-- 
David Kågedal




--- End Message ---
--- Begin Message --- Subject: Re: bug#2406: ewoc-collect doesn't match documentatino Date: Fri, 20 Feb 2009 22:37:23 -0500 User-agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)
David Kågedal wrote:

> Ths documentation for the ewoc-collect function says "The elements on
> the returned list will appear in the same order as in the buffer", but
> this is not true.

Thanks, this has already been fixed.

2008-04-09  Alexandre Julliard  <address@hidden>

  * emacs-lisp/ewoc.el (ewoc-collect): Return results in the
  correct order.


--- End Message ---

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