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From: David Masterson <dsmasterson@gmail.com>
To: "Cook, Malcolm" <MEC@stowers.org>
Cc: Eli Zaretskii <eliz@gnu.org>,
	"emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>,
	"michel@schi.nz" <michel@schi.nz>,
	"59882@debbugs.gnu.org" <59882@debbugs.gnu.org>
Subject: bug#59882: Multiple versions of Org in load-path problem
Date: Fri, 09 Dec 2022 11:51:29 -0800	[thread overview]
Message-ID: <SJ0PR03MB545522F5053017127964564BA21C9__34306.8692645588$1670615546$gmane$org@SJ0PR03MB5455.namprd03.prod.outlook.com> (raw)
In-Reply-To: <DS7PR20MB46714DA5A213137BCEF5A2D4BE1C9@DS7PR20MB4671.namprd20.prod.outlook.com> (Malcolm Cook's message of "Fri, 9 Dec 2022 19:40:17 +0000")

"Cook, Malcolm" <MEC@stowers.org> writes:

>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> >> Cc: emacs-orgmode@gnu.org, 59882@debbugs.gnu.org
>> >> From: David Masterson <dsmasterson@gmail.com>
>> >> Date: Thu, 08 Dec 2022 13:56:03 -0800
>> >>
>> >> In my testing, I found a strange case where, in *scratch*, I get:
>> >>
>> >> (message "%s" org-version)
>> >> ;; Error undefined
>> >> ;; Do 'C-h v org-version'
>> >> (message "%s" org-version)
>> >> 9.3
>> >>
>> >> So, 'describe-variable' on org-version causes Org to be loaded?!?
>> >
>> > Why is it so surprising?  Is this the first time you see that a Help
>> > command loads something to do its job?
>> 
>> Yes, it is surprising.  How did Emacs know to load Org to find org-version? 
>
> This is provided for via emacs' autoload by prefix mechanism.
>
> See:
>
> https://www.gnu.org/software/emacs/manual/html_node/elisp/Autoload-by-Prefix.html
>
> What you observed will NOT happen if you first run:
>
> 	(clrhash  definition-prefixes)

Ah! Thank you.  In many ways, I still think of Emacs from what I learned
about it in the early 80s (yes, pre-Elisp).  I didn't expect this and,
so, didn't investigate the possibility that it's planned (the Info
documentation has gotten huge).  Apologies to Eli.

-- 
David Masterson





  parent reply	other threads:[~2022-12-09 19:51 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <SJ0PR03MB54550C18409A8F2DF921A77DA21B9@SJ0PR03MB5455.namprd03.prod.outlook.com>
     [not found] ` <87tu27jq7h.fsf@localhost>
     [not found]   ` <SJ0PR03MB5455E1FA2C2887B0200CA8B6A21D9@SJ0PR03MB5455.namprd03.prod.outlook.com>
     [not found]     ` <SJ0PR03MB54559D5E6849C26AAF6CA044A21D9@SJ0PR03MB5455.namprd03.prod.outlook.com>
     [not found]       ` <87k032nyok.fsf@localhost>
     [not found]         ` <SJ0PR03MB54550C7727696BE317D0DD13A21D9@SJ0PR03MB5455.namprd03.prod.outlook.com>
     [not found]           ` <39a5810d-75bc-4ddb-8722-703f762ed4de@app.fastmail.com>
2022-12-08 21:56             ` bug#59882: Multiple versions of Org in load-path problem David Masterson
     [not found]             ` <SJ0PR03MB5455B76B26B72A11E965BFE2A21D9@SJ0PR03MB5455.namprd03.prod.outlook.com>
2022-12-09  7:17               ` Eli Zaretskii
2022-12-09  7:43                 ` David Masterson
     [not found]                 ` <SJ0PR03MB54551B455DAEB936213DE09CA21C9@SJ0PR03MB5455.namprd03.prod.outlook.com>
2022-12-09 11:57                   ` Eli Zaretskii
2022-12-09 19:40                   ` Cook, Malcolm
     [not found]                   ` <DS7PR20MB46714DA5A213137BCEF5A2D4BE1C9@DS7PR20MB4671.namprd20.prod.outlook.com>
2022-12-09 19:51                     ` David Masterson [this message]
     [not found]                     ` <SJ0PR03MB545522F5053017127964564BA21C9@SJ0PR03MB5455.namprd03.prod.outlook.com>
2022-12-09 20:27                       ` Eli Zaretskii
2022-12-10 14:01                 ` Ihor Radchenko
2022-12-14  9:51                 ` Ihor Radchenko
     [not found]                 ` <87edt2qpoa.fsf@localhost>
2022-12-14 12:59                   ` Eli Zaretskii
     [not found]                   ` <83359innsp.fsf@gnu.org>
2022-12-14 13:37                     ` Ihor Radchenko
2022-12-14 14:35                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
     [not found]                       ` <jwvfsdi6or0.fsf-monnier+emacs@gnu.org>
2022-12-14 16:02                         ` Max Nikulin
     [not found]                         ` <3bf2e057-4204-cdc8-0847-39a723db4fc8@gmail.com>
2022-12-15  4:17                           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-15  4:56                             ` Ihor Radchenko
2022-12-16 12:36                             ` Max Nikulin
     [not found]                             ` <809ae318-fe95-1023-6bca-ba827fd01a29@gmail.com>
2022-12-16 14:47                               ` Ihor Radchenko
2022-12-18 15:24                                 ` Max Nikulin
2022-12-18 15:40                                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-06 16:09                                     ` Max Nikulin
     [not found]                                     ` <7e64ae5e-6fd7-ea41-dae5-c8abd9a3fefa@gmail.com>
2023-04-06 21:25                                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-19  4:20                                         ` Tom Gillespie
2022-12-25  9:48                                   ` Ihor Radchenko
     [not found]                                   ` <87pmc7stiw.fsf@localhost>
2022-12-25 11:46                                     ` Max Nikulin
     [not found]                                     ` <96ecff22-8604-3794-671f-75184dcb7d31@gmail.com>
2022-12-26  8:44                                       ` Ihor Radchenko
     [not found]                                       ` <87r0wmr1tk.fsf@localhost>
2022-12-26 11:01                                         ` Ihor Radchenko
     [not found]                                         ` <877cyeqvh4.fsf@localhost>
2022-12-26 12:25                                           ` Max Nikulin
     [not found]                                           ` <3f0ead96-4424-18a9-394f-680fc135d39c@gmail.com>
2022-12-27  9:47                                             ` Ihor Radchenko
2022-12-27  9:56                                               ` Max Nikulin
     [not found]                                               ` <11e5c88d-09d1-75a5-5c7c-f8ace552c2d3@gmail.com>
2023-02-03 11:02                                                 ` Ihor Radchenko
2023-02-03 12:15                                                   ` Eli Zaretskii
     [not found]                                                   ` <86zg9upl8h.fsf@gmail.com>
2023-02-14 22:53                                                     ` Gregor Zattler
     [not found]                                                     ` <87pmabyi2r.fsf@no.workgroup>
2023-02-16 12:14                                                       ` Max Nikulin
2023-02-21  5:22                                                         ` Richard Stallman
     [not found]                                                         ` <E1pUL6K-0006Bt-U3@fencepost.gnu.org>
2023-02-21 12:32                                                           ` Eli Zaretskii
2023-02-21 17:26                                                             ` Bhavin Gandhi
2023-02-22 10:48                                                               ` Ihor Radchenko
     [not found]                                                               ` <87mt56c6wu.fsf@localhost>
2023-02-22 16:58                                                                 ` Bhavin Gandhi
     [not found]                                                                 ` <CAOn=hbcZ5JyBGvsy8VS=KpyJ3quHCdb4c_xAfeUygXeqtzirRw@mail.gmail.com>
2023-02-23  9:35                                                                   ` Ihor Radchenko
2023-04-06 15:02                                                   ` Max Nikulin
2023-04-07 11:39                                                     ` Max Nikulin
2022-12-14 14:25                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-14 21:49                   ` Cook, Malcolm
2022-12-09 19:47               ` Cook, Malcolm

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