Re: Saving the *Org Edit Src Example* buffer

[Carsten Dominik <carsten.dominik@gmail.com>]

Applied, thanks.

- Carsten

On Jun 2, 2009, at 5:49 PM, Dan Davison wrote:

> Dan Davison <davison@stats.ox.ac.uk> writes:
>
>> Following on from the recent improvements to the *Org Edit Src  
>> Example*
>> buffer, I have one more proposal: I have remapped C-x C-s so that it
>> saves the code in the org buffer, rather than offering to save the  
>> Edit
>> buffer itself (as it used to be with the indirect edit buffer). I  
>> find
>> this essential, although I recognise that remapping C-x C-s is a  
>> rather
>> radical thing to do to an emacs buffer.
>>
>> I am using the simple-minded approach below; it seems to work fine (I
>
> Hmm, well I had used that for at least a week before posting, but I  
> have
> now noticed a problem. It's a bit of a corner case. If you create  
> extra
> blank lines at the end of the source code edit buffer and leave point
> down there, then do org-edit-src-exit, now back in the org buffer  
> point
> is outside the source code block. In that case, the code that I just
> posted doesn't work. I suggest that org-edit-src-exit should in this
> situation place point at the end of the source code block, for example
> like this:
>
>
> diff --git a/lisp/org.el b/lisp/org.el
> index 659dfad..be459b5 100644
> --- a/lisp/org.el
> +++ b/lisp/org.el
> @@ -6757,7 +6757,9 @@ the language, a switch telling of the content  
> should be in a single line."
>        code)
>   (goto-char (point-min))
>   (if (looking-at "[ \t\n]*\n") (replace-match ""))
> -  (if (re-search-forward "\n[ \t\n]*\\'" nil t) (replace-match ""))
> +  (when (re-search-forward "\n[ \t\n]*\\'" nil t)
> +    (replace-match "")
> +    (setq line (min line (org-current-line))))
>   (when (org-bound-and-true-p org-edit-src-force-single-line)
>     (goto-char (point-min))
>     (while (re-search-forward "\n" nil t)
>
>
> Dan
>
>
>
>
>> don't even notice a flicker -- should I be surprised at that?), but  
>> if
>> someone can suggest an improved implementation I'd be happy to  
>> learn how
>> it should be done (perhaps there are buffer variables other than  
>> point
>> and mark that I should restore? Is there a general mechanism I should
>> use for this?).
>>
>> Dan
>>
>> (defun org-edit-src-save ()
>>  "Update the parent org buffer with the edited source code, save
>> the parent org-buffer, and return to the source code edit
>> buffer."
>>  (interactive)
>>  (let ((p (point))
>> 	(m (mark)))
>>    (org-edit-src-exit)
>>    (save-buffer)
>>    (org-edit-src-code)
>>    (set-mark m)
>>    (goto-char p)))
>>
>> (define-key org-exit-edit-mode-map "\C-x\C-s" 'org-edit-src-save)
>>
>>
>>
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>
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