Re: Standardized code block syntax and Property Accumulation merged into Master

[Eric Schulte <schulte.eric@gmail.com>]

"Sebastien Vauban" <wxhgmqzgwmuf@spammotel.com> writes:

> Hi Eric,
>
> Eric Schulte wrote:
>> The standard-code-block-syntax branch has been merged into the master
>> branch of the git repository.  This brings two much discussed changes to
>> Org-mode, first a standard set of keywords for code blocks and second
>> the ability to accumulate properties by appending a "+" to the end of
>> the property name.  For much more information on both of these changes
>> see the relevant commits [1] and [2] respectively.  A function for
>> updating existing Org-mode files to use the new standardized code block
>> keywords is inline below [3], additionally I've updated my collection of
>> Org-mode code block scraps [4].
>
> Nice to see it's finally in!
>

Thanks, me too.

>
> However, I have to report a _tiny_ feature of applying your function:
>
>> [3]  Function to update Org-mode buffers to use the new code block syntax.
>>      (defun update-org-buffer ()
>>        "Update an Org-mode buffer to the new data, code block and call line syntax."
>>        (interactive)
>>        (save-excursion
>>          (flet ((to-re (lst) (concat "^[ \t]*#\\+" (regexp-opt lst t)
>>                                      "\\(\\[\\([[:alnum:]]+\\)\\]\\)?\\:[ \t]*"))
>>                 (update (re new)
>>                         (goto-char (point-min))
>>                         (while (re-search-forward re nil t)
>>                           (replace-match new nil nil nil 1))))
>>            (let ((old-re (to-re '("RESULTS" "DATA" "SRCNAME" "SOURCE")))
>>                  (lob-re (to-re '("LOB")))
>>                  (case-fold-search t))
>>              (update old-re "name")
>>              (update lob-re "call")))))
>
> When run on a buffer containing:
>
>     #+property: var  foo=1
>
>     #+begin_src emacs-lisp
>      foo
>     #+end_src
>
>     #+results:
>     : 1
>
> it will translate `#+results' to `#+name':
>
>     #+property: var  foo=1
>
>     #+begin_src emacs-lisp
>      foo
>     #+end_src
>
>     #+name:
>     : 1
>
> Further evaluations of that *un-named* code block will leave the `#+name'
> line.
>
> To get back the expected `#+results' line, you have to manually remove that
> results line, and re-evaluate the code block.
>

This, given that results and name are technically still synonyms this
isn't necessarily a bug, however I do agree that a version of the
functions which left the #+results: lines immediately following code
blocks unchanged would be preferable.

Cheers -- Eric

>
> Best regards,
>   Seb

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/