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From: Adam <nospam@example.com>
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Subject: Re: help create function alias
Date: Mon, 20 Sep 2010 23:46:13 +1200
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Marc Mientki wrote:

> Am 20.09.2010 12:43, schrieb Adam:
>> (defun id ()
>>     "insert date"
>>     (interactive "P")
>>     (insert-date t))
>>
> 
> There two errors:
> 
> 1. You say (interactive "P") but not provide argument to id.
> When you use "P", then you must write:
> (defun if (arg) ...
> 
> or
> 
> (defun if (&optional arg) ...
> 
> But actualy you don't need "P" in your example. So you can write:
> 
> (defun id ()
>     "insert date"
>     (interactive)
>     (insert-date t))
> 
> 2. Function insert-date is not defined, at least not in my emacs.
> 
> HTH
> Marc

Thanks. It does help. 

In my .emacs I walked right past an (insert-date) function which 
I picked up from somewhere. It uses an ISO date format, includes 
the "P" for alternate formatting from the argument. 

Thanks.