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* Minor bug: org-agenda-holidays
@ 2010-12-21 20:21 Paul Sexton
  2010-12-21 20:35 ` Tassilo Horn
  2010-12-22  7:11 ` Noorul Islam K M
  0 siblings, 2 replies; 7+ messages in thread
From: Paul Sexton @ 2010-12-21 20:21 UTC (permalink / raw)
  To: emacs-orgmode

In org-agenda.el, the function org-agenda-holidays is coded as:

(defun org-agenda-holidays ()
  "Display the holidays for the 3 months around the cursor date."
  (interactive)
  (org-agenda-execute-calendar-command 'list-calendar-holidays))

'list-calendar-holidays' does not exist. It should be 
'calendar-list-holidays'.

Paul

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Minor bug: org-agenda-holidays
  2010-12-21 20:21 Minor bug: org-agenda-holidays Paul Sexton
@ 2010-12-21 20:35 ` Tassilo Horn
  2010-12-22  7:11 ` Noorul Islam K M
  1 sibling, 0 replies; 7+ messages in thread
From: Tassilo Horn @ 2010-12-21 20:35 UTC (permalink / raw)
  To: emacs-orgmode

Paul Sexton <psexton@xnet.co.nz> writes:

> In org-agenda.el, the function org-agenda-holidays is coded as:
>
> (defun org-agenda-holidays ()
>   "Display the holidays for the 3 months around the cursor date."
>   (interactive)
>   (org-agenda-execute-calendar-command 'list-calendar-holidays))
>
> 'list-calendar-holidays' does not exist. It should be
> 'calendar-list-holidays'.

In my emacs version (24 from bzr), the former is an alias for the
latter, where the former is obsoleted as of emacs 23.1.  So I guess
older emacs version only have the former.

What emacs version are you using?

Bye,
Tassilo

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Minor bug: org-agenda-holidays
  2010-12-21 20:21 Minor bug: org-agenda-holidays Paul Sexton
  2010-12-21 20:35 ` Tassilo Horn
@ 2010-12-22  7:11 ` Noorul Islam K M
       [not found]   ` <4D11AE5C.6060504@xnet.co.nz>
  1 sibling, 1 reply; 7+ messages in thread
From: Noorul Islam K M @ 2010-12-22  7:11 UTC (permalink / raw)
  To: Paul Sexton; +Cc: emacs-orgmode

Paul Sexton <psexton@xnet.co.nz> writes:

> In org-agenda.el, the function org-agenda-holidays is coded as:
>
> (defun org-agenda-holidays ()
>   "Display the holidays for the 3 months around the cursor date."
>   (interactive)
>   (org-agenda-execute-calendar-command 'list-calendar-holidays))
>
> 'list-calendar-holidays' does not exist. It should be 
> 'calendar-list-holidays'.
>

Did you  get any error when you executed this function?

Thanks and Regards
Noorul

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Minor bug: org-agenda-holidays
       [not found]   ` <4D11AE5C.6060504@xnet.co.nz>
@ 2010-12-22  9:10     ` Noorul Islam K M
  2010-12-22 16:24       ` Nick Dokos
  0 siblings, 1 reply; 7+ messages in thread
From: Noorul Islam K M @ 2010-12-22  9:10 UTC (permalink / raw)
  To: Paul Sexton; +Cc: emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 384 bytes --]

Paul Sexton <psexton@xnet.co.nz> writes:

> Yes.
> "Wrong type argument: commandp, list-calendar-holidays"
>
>

I think the following patch will fix the issue for you.

Log
[[[

Make org-agenda-holidays compatible with older versions of emacs.

* lisp/org-agenda.el (org-agenda-holidays): Make this function compatible
  with older versions of emacs.

]]]

Thanks and Regards
Noorul


[-- Attachment #2: add-backward-compatibility-for-list-calendar-holidays.txt --]
[-- Type: text/plain, Size: 596 bytes --]

diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index 19535b4..217c701 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -7685,7 +7685,9 @@ the cursor position."
 (defun org-agenda-holidays ()
   "Display the holidays for the 3 months around the cursor date."
   (interactive)
-  (org-agenda-execute-calendar-command 'list-calendar-holidays))
+  (if (fboundp 'list-calendar-holidays)
+      (org-agenda-execute-calendar-command 'list-calendar-holidays)
+    (org-agenda-execute-calendar-command 'calendar-list-holidays)))
 
 (defvar calendar-longitude)
 (defvar calendar-latitude)

[-- Attachment #3: Type: text/plain, Size: 557 bytes --]


> On 22/12/2010 8:11 p.m., Noorul Islam K M wrote:
>> Paul Sexton<psexton@xnet.co.nz>  writes:
>>
>>> In org-agenda.el, the function org-agenda-holidays is coded as:
>>>
>>> (defun org-agenda-holidays ()
>>>    "Display the holidays for the 3 months around the cursor date."
>>>    (interactive)
>>>    (org-agenda-execute-calendar-command 'list-calendar-holidays))
>>>
>>> 'list-calendar-holidays' does not exist. It should be
>>> 'calendar-list-holidays'.
>>>
>> Did you  get any error when you executed this function?
>>
>> Thanks and Regards
>> Noorul

[-- Attachment #4: Type: text/plain, Size: 201 bytes --]

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^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: Minor bug: org-agenda-holidays
  2010-12-22  9:10     ` Noorul Islam K M
@ 2010-12-22 16:24       ` Nick Dokos
  2010-12-22 19:22         ` Tassilo Horn
  0 siblings, 1 reply; 7+ messages in thread
From: Nick Dokos @ 2010-12-22 16:24 UTC (permalink / raw)
  To: Noorul Islam K M; +Cc: emacs-orgmode, nicholas.dokos, Paul Sexton

Noorul Islam K M <noorul@noorul.com> wrote:

> Paul Sexton <psexton@xnet.co.nz> writes:
> 
> > Yes.
> > "Wrong type argument: commandp, list-calendar-holidays"
> >
> >
> 
> I think the following patch will fix the issue for you.
> 
> Log
> [[[
> 
> Make org-agenda-holidays compatible with older versions of emacs.
> 
> * lisp/org-agenda.el (org-agenda-holidays): Make this function compatible
>   with older versions of emacs.
> 
> ]]]
> 

I don't think the patch is necessary: as Tassilo points out,
list-calendar-holidays should exist in emacs versions before 23.1, it is
obsoleted in 23.1 and replaced by calendar-list-holidays, but remains as
an alias in versions 23.1 and after. I can confirm that in both
GNU Emacs 23.2.50.1 and GNU Emacs 24.0.50.1, the alias exists and in both cases

    (commandp 'list-calendar-holidays)

returns t.

So it looks like a set-up problem at Paul's end and Tassilo's basic
question remains: what version of emacs are you (Paul) running?

If and when the alias goes away, and assuming org supports emacs versions
before 23.1 at that point, then a compatibility patch like Noorul's might
be necessary, but it's probably not a good idea to go for "premature
compatibility" so to speak :-)

Nick

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Minor bug: org-agenda-holidays
  2010-12-22 16:24       ` Nick Dokos
@ 2010-12-22 19:22         ` Tassilo Horn
  2010-12-22 19:54           ` Nick Dokos
  0 siblings, 1 reply; 7+ messages in thread
From: Tassilo Horn @ 2010-12-22 19:22 UTC (permalink / raw)
  To: emacs-orgmode

Nick Dokos <nicholas.dokos@hp.com> writes:

Hi Nick,

> I don't think the patch is necessary: as Tassilo points out,
> list-calendar-holidays should exist in emacs versions before 23.1, it
> is obsoleted in 23.1 and replaced by calendar-list-holidays, but
> remains as an alias in versions 23.1 and after. I can confirm that in
> both GNU Emacs 23.2.50.1 and GNU Emacs 24.0.50.1, the alias exists and
> in both cases
>
>     (commandp 'list-calendar-holidays)
>
> returns t.

I've just fired up emacs 23.1 on some other machine, and there is really
only `calendar-list-holidays'.

Hm, no, not true.  But `calendar-list-holidays' is directly visible to
C-h f cause it's autoloaded whereas `list-calendar-holidays' is only
there after (require 'holidays).  With newer emacsen, both are visible
directly, probably because `define-obsolete-function-alias'.

Bye,
Tassilo

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: Re: Minor bug: org-agenda-holidays
  2010-12-22 19:22         ` Tassilo Horn
@ 2010-12-22 19:54           ` Nick Dokos
  0 siblings, 0 replies; 7+ messages in thread
From: Nick Dokos @ 2010-12-22 19:54 UTC (permalink / raw)
  To: Tassilo Horn; +Cc: nicholas.dokos, emacs-orgmode

Tassilo Horn <tassilo@member.fsf.org> wrote:

> Nick Dokos <nicholas.dokos@hp.com> writes:
> 
> Hi Nick,
> 
> > I don't think the patch is necessary: as Tassilo points out,
> > list-calendar-holidays should exist in emacs versions before 23.1, it
> > is obsoleted in 23.1 and replaced by calendar-list-holidays, but
> > remains as an alias in versions 23.1 and after. I can confirm that in
> > both GNU Emacs 23.2.50.1 and GNU Emacs 24.0.50.1, the alias exists and
> > in both cases
> >
> >     (commandp 'list-calendar-holidays)
> >
> > returns t.
> 
> I've just fired up emacs 23.1 on some other machine, and there is really
> only `calendar-list-holidays'.
> 
> Hm, no, not true.  But `calendar-list-holidays' is directly visible to
> C-h f cause it's autoloaded whereas `list-calendar-holidays' is only
> there after (require 'holidays).  With newer emacsen, both are visible
> directly, probably because `define-obsolete-function-alias'.
> 

Ah, thanks, that clears up things. I did some more spelunking on
emacs-22.3: only list-calendar-holidays exists there, so they seem to
have rationalized the name in 23.1 but didn't quite get the
compatibility right until 23.2 (or a later 23.1 at least, one after
Paul's version).

So, for Paul, the fix seems to be to

    (require 'holidays)

in his .emacs somewhere, possibly before loading org-mode.

For org-mode, probably the best thing to do is to change
list-calendar-holidays to calendar-list-holidays as soon as support for
emacs-22.3 is dropped (except that there is still older - and current -
xemacsen to check of course). The joys of backward compatibility...

Nick

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2010-12-22 19:54 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-12-21 20:21 Minor bug: org-agenda-holidays Paul Sexton
2010-12-21 20:35 ` Tassilo Horn
2010-12-22  7:11 ` Noorul Islam K M
     [not found]   ` <4D11AE5C.6060504@xnet.co.nz>
2010-12-22  9:10     ` Noorul Islam K M
2010-12-22 16:24       ` Nick Dokos
2010-12-22 19:22         ` Tassilo Horn
2010-12-22 19:54           ` Nick Dokos

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