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* landmark.el
@ 2014-06-18 20:15 Stefan Monnier
  2014-06-21 21:26 ` landmark.el Glenn Morris
  0 siblings, 1 reply; 13+ messages in thread
From: Stefan Monnier @ 2014-06-18 20:15 UTC (permalink / raw)
  To: emacs-devel, kwzh

Can someone explain to me what does M-x landmark do?
Has someone used it?
The mode's docstring is a copy of gomoku's docstring, but the
"Commentary" indicates it's actually doing something very different.
Yet it seems, some of gomoku's code was not deactivated, so after
middle-clicking a few times I got a result that looked like I was
playing gomoku (with a diagonal drawn through 5 consecutive points, tho
that seemed to mess up the display at least to my untrained eye).

The history of the file looks like "initial install, then application of
global cosmetic changes".  Non-cosmetic changes have been extremely
rare.  I only found:

   revno: 18291
   committer: Karl Heuer <kwzh@gnu.org>
   timestamp: Wed 1997-06-18 04:23:02 +0000
   message:
     (lm-display-statistics): Display stats in mode line.
     (lm-number-of-trials, lm-sum-of-moves): New vars.
     Various doc fixes.


-- Stefan



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-18 20:15 landmark.el Stefan Monnier
@ 2014-06-21 21:26 ` Glenn Morris
  2014-06-21 21:39   ` landmark.el Glenn Morris
  0 siblings, 1 reply; 13+ messages in thread
From: Glenn Morris @ 2014-06-21 21:26 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel


AFAICS, it works in 22.3, but has been broken since 23.1.
(So that tells you how much use it gets.)
I think I fixed it in emacs-24.
I have no idea what the point of this being in Emacs is, beyond
running it once and going "huh, that's vaguely neat".



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-21 21:26 ` landmark.el Glenn Morris
@ 2014-06-21 21:39   ` Glenn Morris
  2014-06-22  0:22     ` landmark.el Glenn Morris
  2014-06-29 23:41     ` landmark.el Glenn Morris
  0 siblings, 2 replies; 13+ messages in thread
From: Glenn Morris @ 2014-06-21 21:39 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel


PS I think it uses the gomoku board to do its thing.
But has it just blindly copied a bunch of other stuff from gomoku.el
that makes no sense in the context of landmark (landmark-human-plays
etc)? Or does it somehow allow you to play gomoku against this learning
robot thing? This I have no idea...



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-21 21:39   ` landmark.el Glenn Morris
@ 2014-06-22  0:22     ` Glenn Morris
  2014-06-29 23:41     ` landmark.el Glenn Morris
  1 sibling, 0 replies; 13+ messages in thread
From: Glenn Morris @ 2014-06-22  0:22 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel


PPS it is MUCH slower in 24.3.91 than in 22.3.

time emacs-22.3 -Q --eval '(progn (lm-test-run) (kill-emacs))'

takes ~ 6 seconds.

In current Emacs, it takes ~ 4-5 x longer.



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-21 21:39   ` landmark.el Glenn Morris
  2014-06-22  0:22     ` landmark.el Glenn Morris
@ 2014-06-29 23:41     ` Glenn Morris
  2014-06-30  0:47       ` landmark.el Leo Liu
  2014-06-30  3:25       ` landmark.el Stefan Monnier
  1 sibling, 2 replies; 13+ messages in thread
From: Glenn Morris @ 2014-06-29 23:41 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel


Should it be obsoleted?
It's not a game you can play, it has nothing to do with text editing,
it was broken for 6+ years and no-one noticed.
AFAICS, it's a demonstration of a programming technique more than
anything else.



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-29 23:41     ` landmark.el Glenn Morris
@ 2014-06-30  0:47       ` Leo Liu
  2014-06-30  0:52         ` landmark.el Glenn Morris
  2014-06-30  3:25       ` landmark.el Stefan Monnier
  1 sibling, 1 reply; 13+ messages in thread
From: Leo Liu @ 2014-06-30  0:47 UTC (permalink / raw)
  To: Glenn Morris; +Cc: Stefan Monnier, emacs-devel

On 2014-06-29 19:41 -0400, Glenn Morris wrote:
> Should it be obsoleted?
> It's not a game you can play, it has nothing to do with text editing,
> it was broken for 6+ years and no-one noticed.

Indeed, I just ran it.

> AFAICS, it's a demonstration of a programming technique more than
> anything else.

I think it is worth keeping it even just to show off to friends or
colleagues, I mean showcase emacs features.

Leo



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-30  0:47       ` landmark.el Leo Liu
@ 2014-06-30  0:52         ` Glenn Morris
  0 siblings, 0 replies; 13+ messages in thread
From: Glenn Morris @ 2014-06-30  0:52 UTC (permalink / raw)
  To: Leo Liu; +Cc: Stefan Monnier, emacs-devel

Leo Liu wrote:

> I think it is worth keeping it even just to show off to friends or
> colleagues, I mean showcase emacs features.

"Emacs contains large amounts of old, irrelevant cruft that is often
poorly maintained, and can be broken for years before anyone notices" is
not the best advert IMO.



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-29 23:41     ` landmark.el Glenn Morris
  2014-06-30  0:47       ` landmark.el Leo Liu
@ 2014-06-30  3:25       ` Stefan Monnier
  2014-06-30  6:25         ` landmark.el Glenn Morris
  1 sibling, 1 reply; 13+ messages in thread
From: Stefan Monnier @ 2014-06-30  3:25 UTC (permalink / raw)
  To: Glenn Morris; +Cc: emacs-devel

> Should it be obsoleted?

I was thinking of moving it straight to GNU ELPA.


        Stefan



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2014-06-30  3:25       ` landmark.el Stefan Monnier
@ 2014-06-30  6:25         ` Glenn Morris
  0 siblings, 0 replies; 13+ messages in thread
From: Glenn Morris @ 2014-06-30  6:25 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel

Stefan Monnier wrote:

>> Should it be obsoleted?
>
> I was thinking of moving it straight to GNU ELPA.

Sounds good.



^ permalink raw reply	[flat|nested] 13+ messages in thread

* landmark.el
@ 2018-12-06 18:48 Brannon, Terrence
  2018-12-07  0:37 ` landmark.el Stefan Monnier
  0 siblings, 1 reply; 13+ messages in thread
From: Brannon, Terrence @ 2018-12-06 18:48 UTC (permalink / raw)
  To: emacs-devel@gnu.org

[-- Attachment #1: Type: text/plain, Size: 1172 bytes --]

Hello, I am the original author of landmark.el -

I would like to provide some edits to the Full description we see at http://elpa.gnu.org/packages/landmark.html

Apparently this would be done by supplying a pull request to the actual source code - http://git.savannah.gnu.org/cgit/emacs/elpa.git/tree/packages/landmark/landmark.el

But I am not aware of how to initiate such a process. Please advise on how to proceed.


Terrence Brannon
(818) 359-0893 [mobile]
(303) 768-4275 [desk phone]
This sentence is false<https://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach>.

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[-- Attachment #2: Type: text/html, Size: 4249 bytes --]

^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2018-12-06 18:48 landmark.el Brannon, Terrence
@ 2018-12-07  0:37 ` Stefan Monnier
  2018-12-07 22:02   ` landmark.el Brannon, Terrence
  0 siblings, 1 reply; 13+ messages in thread
From: Stefan Monnier @ 2018-12-07  0:37 UTC (permalink / raw)
  To: emacs-devel

> I would like to provide some edits to the Full description we see at
> http://elpa.gnu.org/packages/landmark.html
>
> Apparently this would be done by supplying a pull request to the actual
> source code -

You can send a patch here or via M-x report-emacs-bug (or directly to me).


        Stefan




^ permalink raw reply	[flat|nested] 13+ messages in thread

* RE: landmark.el
  2018-12-07  0:37 ` landmark.el Stefan Monnier
@ 2018-12-07 22:02   ` Brannon, Terrence
  2018-12-22 10:48     ` landmark.el Eli Zaretskii
  0 siblings, 1 reply; 13+ messages in thread
From: Brannon, Terrence @ 2018-12-07 22:02 UTC (permalink / raw)
  To: emacs-devel@gnu.org



-----Original Message-----
From: Emacs-devel [mailto:emacs-devel-bounces+tbrannon.contractor=ofiglobal.com@gnu.org] On Behalf Of Stefan Monnier
Sent: Thursday, December 6, 2018 5:38 PM
To: emacs-devel@gnu.org
Subject: Re: landmark.el [ EXTERNAL ]

> I would like to provide some edits to the Full description we see at 
> https://urldefense.proofpoint.com/v2/url?u=http-3A__elpa.gnu.org_packa
> ges_landmark.html&d=DwIBAg&c=huW-Z3760n7oNORvLCN2eBo-Ehm9Q_bNeNJaAMovB
> jQ&r=uvXYcBD4O7n5Ah7cexUTOH7HUSodf0nzeN28F7OKuAxMhDsehRnahd_yZf-XdItD&
> m=PmF4jAwV81WZV7zgW48Napnf_K7g2FkuV_y4AH8pVLU&s=M1uQx1mJCjOH-xScnPfxdz
> uhLZmHUDJjGiOJrfQLaIw&e=
>
> Apparently this would be done by supplying a pull request to the 
> actual source code -

>> You can send a patch here or via M-x report-emacs-bug (or directly to me).

c:\prg\landmark>git diff landmark.el 
git diff landmark.el 
diff --git a/landmark.el b/landmark.el
index 9b48901..b1ffd8a 100644
--- a/landmark.el
+++ b/landmark.el
@@ -2,7 +2,7 @@
 
 ;; Copyright (C) 1996-1997, 2000-2016 Free Software Foundation, Inc.
 
-;; Author: Terrence Brannon (was: <brannon@rana.usc.edu>)
+;; Author: Terrence Brannon <metaperl@gmail.com>
 ;; Created: December 16, 1996 - first release to usenet
 ;; Keywords: games, neural network, adaptive search, chemotaxis
 ;; Maintainer: emacs-devel@gnu.org
@@ -34,7 +34,7 @@
 ;; the smell of the tree increases, then the weights in the robot's
 ;; brain are adjusted to encourage this odor-driven behavior in the
 ;; future. If the smell of the tree decreases, the robots weights are
-;; adjusted to discourage a correct move.
+;; adjusted to discourage that odor-driven behavior.
 
 ;; In laymen's terms, the search space is initially flat. The point
 ;; of training is to "turn up the edges of the search space" so that
@@ -51,6 +51,13 @@
 ;; a single move, one moves east,west and south, then both east and
 ;; west will be improved when they shouldn't
 
+;; The source code was developed as part of a course on Brain Theory
+;; and Neural Networks at the University of Southern California. The
+;; original problem description and solution appeared in 1981 in the
+;; paper "Landmark Learning: An Illustration of Associative
+;; Search" authored by Andrew G. Barto and Richard S. Sutton and
+;; published to Biological Cybernetics.
+
 ;; Many thanks to Yuri Pryadkin <yuri@rana.usc.edu> for this
 ;; concise problem description.



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^ permalink raw reply related	[flat|nested] 13+ messages in thread

* Re: landmark.el
  2018-12-07 22:02   ` landmark.el Brannon, Terrence
@ 2018-12-22 10:48     ` Eli Zaretskii
  0 siblings, 0 replies; 13+ messages in thread
From: Eli Zaretskii @ 2018-12-22 10:48 UTC (permalink / raw)
  To: Brannon, Terrence; +Cc: emacs-devel

> From: "Brannon, Terrence" <tbrannon.contractor@ofiglobal.com>
> Date: Fri, 7 Dec 2018 22:02:54 +0000
> 
> -----Original Message-----
> From: Emacs-devel [mailto:emacs-devel-bounces+tbrannon.contractor=ofiglobal.com@gnu.org] On Behalf Of Stefan Monnier
> Sent: Thursday, December 6, 2018 5:38 PM
> To: emacs-devel@gnu.org
> Subject: Re: landmark.el [ EXTERNAL ]
> 
> > I would like to provide some edits to the Full description we see at 
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__elpa.gnu.org_packa
> > ges_landmark.html&d=DwIBAg&c=huW-Z3760n7oNORvLCN2eBo-Ehm9Q_bNeNJaAMovB
> > jQ&r=uvXYcBD4O7n5Ah7cexUTOH7HUSodf0nzeN28F7OKuAxMhDsehRnahd_yZf-XdItD&
> > m=PmF4jAwV81WZV7zgW48Napnf_K7g2FkuV_y4AH8pVLU&s=M1uQx1mJCjOH-xScnPfxdz
> > uhLZmHUDJjGiOJrfQLaIw&e=
> >
> > Apparently this would be done by supplying a pull request to the 
> > actual source code -
> 
> >> You can send a patch here or via M-x report-emacs-bug (or directly to me).

Thanks, pushed.



^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2018-12-22 10:48 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-12-06 18:48 landmark.el Brannon, Terrence
2018-12-07  0:37 ` landmark.el Stefan Monnier
2018-12-07 22:02   ` landmark.el Brannon, Terrence
2018-12-22 10:48     ` landmark.el Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2014-06-18 20:15 landmark.el Stefan Monnier
2014-06-21 21:26 ` landmark.el Glenn Morris
2014-06-21 21:39   ` landmark.el Glenn Morris
2014-06-22  0:22     ` landmark.el Glenn Morris
2014-06-29 23:41     ` landmark.el Glenn Morris
2014-06-30  0:47       ` landmark.el Leo Liu
2014-06-30  0:52         ` landmark.el Glenn Morris
2014-06-30  3:25       ` landmark.el Stefan Monnier
2014-06-30  6:25         ` landmark.el Glenn Morris

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