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Trailing whitespace after export snippets without a transcoder (was: [PA
From: |
Ihor Radchenko |
Subject: |
Trailing whitespace after export snippets without a transcoder (was: [PATCH v2] org-faq.org: Inline comments) |
Date: |
Sat, 20 Apr 2024 11:14:33 +0000 |
Max Nikulin <manikulin@gmail.com> writes:
>>>>>> +#+begin_src org
>>>>>> +The following line may become a patagraph separator.
>>>>>> +@@comment: might give unexpected effect @@
>>>>>> +Put some text before @@comment: a better variant
>>>>>> +@@ and after instread.
>>>>>> +#+end_src
>>
>> I am no longer able to reproduce the problem with @@comment:...@@
>> splitting paragraph in the above example.
>
> I see no changes in respect to ox-md on the main branch.
Right.
Upon debugging further, to my great surprise, I found the following
comment in ox.el:
;; Export snippets never return a nil value so
;; that white spaces following them are never
;; ignored.
(and (eq type 'export-snippet) "")
and then even a test:
;; Ignored export snippets do not remove any blank.
(should
(equal "begin end\n"
(org-test-with-parsed-data "begin @@test:A@@ end"
(org-export-data-with-backend
tree
(org-export-create-backend
:transcoders
'((paragraph . (lambda (paragraph contents info) contents))
(section . (lambda (section contents info) contents))))
info))))
The test was added in the commit
https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=a6d9fd82e
Back-end developers should pay attention to the fact that white spaces
before and after an ignored export snippet now are accumulated in the
output.
I have no clue about the rationale of this special behaviour - it dates
back to the days when Org export was merged. It is also not documented
anywhere, AFAIK.
--
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>
- Re: [PATCH v2] org-faq.org: Inline comments, Ihor Radchenko, 2024/04/15
- Re: [PATCH v2] org-faq.org: Inline comments, Max Nikulin, 2024/04/17
- Trailing whitespace after export snippets without a transcoder (was: [PATCH v2] org-faq.org: Inline comments),
Ihor Radchenko <=
- Re: Trailing whitespace after export snippets without a transcoder, Max Nikulin, 2024/04/20
- Re: Trailing whitespace after export snippets without a transcoder, Ihor Radchenko, 2024/04/21
- Re: Trailing whitespace after export snippets without a transcoder, Max Nikulin, 2024/04/22
- Re: Trailing whitespace after export snippets without a transcoder, Ihor Radchenko, 2024/04/22
- Re: Trailing whitespace after export snippets without a transcoder, Max Nikulin, 2024/04/25
- Re: Trailing whitespace after export snippets without a transcoder, Ihor Radchenko, 2024/04/28