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From: Sebastien Binet <seb.binet@gmail.com>
To: Jameson Graef Rollins <jrollins@finestructure.net>
Subject: Re: bug in emacs-ui ?
In-Reply-To: <87hb7jg2rl.fsf@servo.factory.finestructure.net>
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	<87oc1spkkc.fsf@cern.ch>
	<87mxhccw9v.fsf@servo.factory.finestructure.net>
	<87hb7kpi7e.fsf@cern.ch>
	<87fwn4cm9q.fsf@servo.factory.finestructure.net>
	<BANLkTin=viaP4US-=qj2x7BQOKhGaLeaHw@mail.gmail.com>
	<87hb7jg2rl.fsf@servo.factory.finestructure.net>
User-Agent: Notmuch/ (http://notmuchmail.org) Emacs/23.3.1
	(x86_64-unknown-linux-gnu)
Date: Tue, 21 Jun 2011 21:26:25 +0200
Message-ID: <878vsv9eam.fsf@cern.ch>
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Cc: , notmuch@notmuchmail.org
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hi,

On Mon, 20 Jun 2011 22:41:18 -0700, Jameson Graef Rollins <jrollins@finestr=
ucture.net> wrote:
Non-text part: multipart/signed
> On Tue, 21 Jun 2011 02:01:17 +0200, Sebastien Binet <seb.binet@gmail.com>=
 wrote:
> > and I checked there were no lingering .el files...
> >=20
> > so...
> >  any way to tell which notmuch-emacs-ui I am actually using ? (I am a n=
ewbie
> > when comes to hacking lisp)
>=20
> Hey, Sebastien.  You can determine the loaded version of a library from
> within emacs with the follow command:
>=20
> M-x locate-library notmuch
>=20
> It's also good to know how many notmuch instances are installed on your
> system.  For instance, I have a system-wide installation, a "personal"
> installation, the build currently in the source tree, etc.  Depending on
> the options I supply to emacs at startup, I could run a variety of
> versions.

so, it seems the problem comes from:

(defun notmuch-show-advance-and-archive ()
  "Advance through thread and archive."
  (interactive)
  (let ((end-of-this-message (notmuch-show-message-bottom)))
    (cond
     ;; Ideally we would test `end-of-this-message' against the result
     ;; of `window-end', but that doesn't account for the fact that
     ;; the end of the message might be hidden, so we have to actually
     ;; go to the end, walk back over invisible text and then see if
     ;; point is visible.
     ((save-excursion
        (message "pt00: %s" (point))
        (goto-char (- end-of-this-message 1))
        (message "pt01: %s" (point))
        (notmuch-show-move-past-invisible-backward)
        (message "msg-end: %s" end-of-this-message)
        (message "pt11: %s" (point))
        ;;(goto-char (- (point) 400))
        (message "pt12: %s" (point))
        (> (point) (window-end)))
      (message "point: %s" (point))
      (message "window-end: %s" (window-end))
      ;; The bottom of this message is not visible - scroll.
      (scroll-up nil))
     ((not (=3D end-of-this-message (point-max)))
      ;; This is not the last message - move to the next visible one.
      (notmuch-show-next-open-message))

where I've added some good ol' print "foo" debugging.

using the message from the openmpi mailing list I sent earlier and
pressing tab, I get in the *Messages* buffer:

For information about GNU Emacs and the GNU system, type C-h C-a.
pt00: 1
pt01: 1392
msg-end: #<marker at 1393 in *[Open MPI Announce] Open MPI...>
pt11: 1392
pt12: 1392
point: 1
window-end: 1113
notmuch-show-advance-and-archive: End of buffer=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20
ie: it would seem the notmuch-show-move-past-invisible-backward does
*not* move the point up to just before the hidden signature (and does
not move it at all.)

if I uncomment the goto-char to -400 line, everything's fine. (400 is
roughly the length of the hidden signature)

well, this is just an educated guess from an emacs-lisp programmer
complete newbie.

fyi: I am using emacs-23.3
no patch were applied on top of the vanilla sources:
http://projects.archlinux.org/svntogit/packages.git/tree/emacs/repos/extra-=
x86_64/PKGBUILD

=2Ds

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