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From: "Sebastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: [RFC] Standardized code block keywords
Date: Tue, 25 Oct 2011 10:21:04 +0200	[thread overview]
Message-ID: <80vcrdtrbj.fsf@somewhere.org> (raw)
In-Reply-To: CAGhLh6HF5-YxDZ-M+HEx3H3a+tztPBSQWMXCu8Gk+yHbdzQckQ@mail.gmail.com

Hi Rainer,

Rainer M Krug wrote:
> On Fri, Oct 21, 2011 at 6:24 PM, Eric Schulte <schulte.eric-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>wrote:
>>> Just to make it as easy as possible for everyone....
>>> Might it be possible to introduce a small flags like "obsolete" and
>>> "stable" (standard)
>>> Old functions, old syntax, etc., might move first to obsolete before
>>> completely removed...
>>> We could open an older file and if it isn't working, we could try
>>>
>>> #+PROPERTY: babel-function-set obsolete
>>
>> I think that making use of such a feature is almost as onerous as changing
>> to the new terms (which is a simple search replace, in fact once terms are
>> selected I'll happily share a function on list which can be used to convert
>> all old terms in existing Org-mode files).
>
> The problem are not every-day users, but if one is not using org-mode not
> using for some time, it might be difficult to figure out what has changed -
> also, I wou't remember in three years time, that these things have changed,
> and run into problems when trying to open an old org-file (in the case of
> literae programming not unlikely).
>
> But I also see your point - Eric.

And the problem is, someday, you will have to remove such functionality
(allowing a smooth transition, thanks to declaring to use an "obsolete"
feature set). So, IMHO, better do it now, once for all...

... if you have:

> a function which checks if these files do include the old / deprecated
> keywords, and inform the user? 

See my modified version of Eric's function:

#+begin_src emacs-lisp
  ;; warn about deprecated feature from version 7.7
  (add-hook 'org-mode-hook
            (lambda ()
              (save-excursion
                (goto-char (point-min))
                (when (re-search-forward (org-make-options-regexp
                                          '("BABEL")) nil t)
                  (display-warning 'org-babel
                                   (format "This file contains a \"#+BABEL:\" line.")
                                   :warning)))))
#+end_src

My changes:

- warning in its own window, to be sure to see it (because it's soo easy for
  the message in the echo area to be overwritten by others, if you have many
  hooks doing many things);

- no error when match not found.

> This function could even, in this case here, suggest to do the replacing.
> This function could be over time extended, whenever in-compatible changes
> become necessary - it would be a kind of an org-to-org converter or
> org-version-checker?

See this draft:

#+begin_src emacs-lisp
  (defun my/org-propertyze-babel-line ()
    "Play me as many times as needed..."
    (interactive)
    ;; (goto-char (point-min))
    ;; (search-forward "#+BABEL:")
    (search-forward-regexp ":")
    (delete-backward-char 2)
    (insert "\n#+PROPERTY:  "))
#+end_src

To be used, in its current state, with point placed just after the "#+BABEL:"
keyword.

Best regards,
  Seb

-- 
Sebastien Vauban

  parent reply	other threads:[~2011-10-25  8:21 UTC|newest]

Thread overview: 132+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-20 19:43 [ANN] BREAKING CHANGE -- removing #+BABEL file-wide property lines Eric Schulte
2011-10-20 20:06 ` Nick Dokos
2011-10-20 20:12   ` Eric Schulte
2011-10-20 20:51     ` Nick Dokos
2011-10-20 21:04       ` Sebastien Vauban
2011-10-20 21:50         ` [RFC] Standardized code block keywords Eric Schulte
2011-10-21  1:52           ` Thomas S. Dye
2011-10-21  2:57             ` Nick Dokos
2011-10-21  7:26               ` Christian Moe
2011-10-21 16:12                 ` Eric Schulte
2011-10-21 19:10                   ` Thomas S. Dye
2011-10-23 12:20                     ` Daniel Bausch
2011-10-23 16:09                       ` Thomas S. Dye
2011-10-24  5:49                         ` Daniel Bausch
2011-10-21  8:17               ` Sebastien Vauban
2011-10-21 16:17                 ` Eric Schulte
2011-10-21 17:37                   ` Sebastien Vauban
     [not found]                     ` <CAGhLh6GXg6nMZ-xdu-EP=YRx7Pznrme2Yq1S0vdc6Yq0tPMxFg@mail.gmail.com>
2011-10-25  6:59                       ` Rainer M Krug
2011-10-21 16:08               ` Eric Schulte
2011-10-21 16:05             ` Eric Schulte
2011-10-21 18:02               ` Thomas S. Dye
2011-10-22 15:19                 ` Eric Schulte
2011-10-21  7:43           ` Torsten Wagner
2011-10-21  8:27             ` Sebastien Vauban
2011-10-21 16:25               ` Eric Schulte
2011-10-21 16:24             ` Eric Schulte
2011-10-21 17:41               ` Sebastien Vauban
2011-10-24  1:06                 ` Torsten Wagner
2011-10-25  6:44               ` Rainer M Krug
2011-10-25  7:24                 ` Jambunathan K
2011-10-25  8:21                 ` Sebastien Vauban [this message]
2011-10-21 12:22           ` Nicolas Goaziou
2011-10-21 16:27             ` Eric Schulte
2011-10-21 17:48               ` Eric Schulte
2011-10-21 19:24                 ` Viktor Rosenfeld
2011-10-23 12:42                 ` Daniel Bausch
2011-10-24  7:37                   ` Eric S Fraga
2011-10-24 14:39                     ` Darlan Cavalcante Moreira
2011-10-24  7:47                   ` Sebastien Vauban
2011-10-25  1:30                     ` Eric Schulte
2011-10-25  7:14                       ` Daniel Bausch
2011-10-25  8:14                         ` Sebastien Vauban
2011-10-25 14:44                           ` Eric Schulte
2011-10-25 15:38                             ` Christian Moe
2011-10-25 15:42                             ` Nick Dokos
2011-10-25 16:28                               ` Martyn Jago
2011-10-25 16:49                                 ` Eric Schulte
2011-10-25 17:21                                   ` Nick Dokos
2011-10-26  5:58                                     ` Daniel Bausch
2011-10-26 13:10                               ` Giovanni Ridolfi
2011-10-26 14:41                                 ` Daniel Bausch
2011-10-26 15:04                                   ` Nick Dokos
2011-10-27  5:25                                     ` Daniel Bausch
2011-10-28 16:49                                       ` Eric Schulte
2011-10-28 18:31                                         ` Eric Schulte
2011-10-28 18:40                                           ` Nick Dokos
2011-10-28 18:52                                             ` Eric Schulte
2011-10-28 23:22                                               ` Nick Dokos
2011-10-28 23:39                                                 ` Thomas S. Dye
2011-10-29  2:18                                                   ` Nick Dokos
2011-10-31  7:25                                               ` Daniel Bausch
2011-10-31 19:01                                                 ` Eric Schulte
2011-11-01  6:34                                                   ` C-c C-c not working at end of #+end_src line (was: [RFC] Standardized code block keywords) Daniel Bausch
2011-10-25 14:17                         ` [RFC] Standardized code block keywords Eric Schulte
2011-10-26  5:41                           ` Daniel Bausch
2011-10-26  6:17                             ` Thomas S. Dye
2011-10-26 12:16                             ` Eric Schulte
2011-10-21 18:14           ` Thorsten
2011-10-20 21:34       ` [ANN] BREAKING CHANGE -- removing #+BABEL file-wide property lines Eric Schulte
2011-10-20 21:44         ` suvayu ali
2011-10-20 21:52           ` Eric Schulte
2011-10-20 22:23             ` Suvayu Ali
2011-10-20 21:47         ` Sebastien Vauban
2011-10-20 21:54           ` Eric Schulte
2011-10-20 21:57           ` Nick Dokos
2011-10-20 21:48         ` Nick Dokos
2011-10-20 21:57           ` Eric Schulte
2011-10-20 22:08             ` Nick Dokos
2011-10-20 22:18               ` Eric Schulte
2011-10-21  7:28                 ` Sebastien Vauban
2011-10-21  8:14                   ` Christian Moe
2011-10-21  9:12                     ` Rainer M Krug
2011-10-21 10:47                       ` Christian Moe
2011-10-21 10:59                         ` Rainer M Krug
2011-10-21 11:17                           ` Christian Moe
2011-10-21 11:18                             ` Rainer M Krug
2011-10-21 17:37                     ` Eric Schulte
2011-10-21 18:09                       ` Nick Dokos
2011-10-22 15:25                         ` Eric Schulte
2011-10-21 18:35                       ` Rainer M Krug
2011-10-21 18:40                         ` Rainer M Krug
2011-10-22  7:58                           ` Christian Moe
2011-10-24  9:44                             ` Rainer M Krug
2011-10-22 15:52                           ` Eric Schulte
2011-10-22 19:07                             ` Christian Moe
2011-10-24 10:10                               ` Rainer M Krug
2011-10-24 11:37                                 ` Christian Moe
2011-10-24 12:11                                   ` Sebastien Vauban
2011-10-24 12:38                                     ` Christian Moe
2011-10-24 15:07                                       ` Nicolas Goaziou
2011-10-24  9:50                             ` Rainer M Krug
2011-10-25  9:35                             ` Sebastien Vauban
2011-10-25 10:06                               ` Rainer M Krug
2011-10-25 10:31                                 ` Sebastien Vauban
2011-10-25 11:47                                   ` Rainer M Krug
2011-10-25 14:13                               ` Eric Schulte
2011-10-26 14:00                                 ` Sebastien Vauban
2011-10-26 15:20                                   ` Eric Schulte
2011-10-22 15:26                         ` Eric Schulte
2011-10-21 20:24                       ` Christian Moe
2011-10-21 21:05                         ` Darlan Cavalcante Moreira
2011-10-22  7:08                           ` Sebastien Vauban
2011-10-22 15:53                           ` Eric Schulte
2011-10-24 18:07                             ` Darlan Cavalcante Moreira
2011-10-31 18:53                               ` Eric Schulte
2011-10-31 20:18                                 ` Samuel Wales
     [not found]                                   ` <87obwwkia5.fsf@gmail.com>
     [not found]                                     ` <CAJcAo8scJXx=3s0f_FDAJXFKW2uh5gFTHwgDRbM6xXohr5ZPzQ@mail.gmail.com>
2011-10-31 22:22                                       ` Samuel Wales
2011-11-01  1:28                                         ` Eric Schulte
2011-11-01 14:26                                           ` Nick Dokos
2011-11-01 15:02                                             ` Nick Dokos
2011-11-01 15:17                                               ` Eric Schulte
2011-11-02 11:12                                                 ` Rainer M Krug
2011-11-02 12:18                                                   ` Nicolas Goaziou
2011-11-02 14:16                                                     ` Rainer M Krug
2011-11-03 18:40                                                   ` Eric Schulte
2011-11-03 18:51                                                     ` Jambunathan K
2011-11-04  9:15                                                       ` Rainer M Krug
2011-11-02 12:57                                                 ` Brian Wightman
2011-11-02 14:18                                                   ` Rainer M Krug
2011-11-03  1:29                                                   ` Bastien
2011-10-20 21:27     ` Christian Moe
2011-10-20 21:32       ` Nick Dokos

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