Bug (HTML/TexInfo etc): Commented code block gets through to exporter when it shouldn't [9.4.4 (release_9.4.4 @ /usr/local/share/emacs/28.0.50/lisp/org/)]

[Ramesh Nedunchezian <rameshnedunchezian@outlook.com>]

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Bug (HTML/TexInfo etc):

  Commented code block gets through to exporter when it shouldn't
  [9.4.4 (release_9.4.4 @ /usr/local/share/emacs/28.0.50/lisp/org/)]

See the attached files.  The `.txt' file is actually a `.org' file.

The surprising behaviour--surprising at least to me--is because of the
presence of tabs in the source block, that is commented out.
Screenshots show where the tabs are in org file, and how the HTML
output is rendered.

When I untabify the file, everything looks fine.

I have created this report with `emacs -Q' (i.e., with a capital Q),
and whatever Org that ships with it.

----------------

Emacs  : GNU Emacs 28.0.50 (build 6, x86_64-pc-linux-gnu, GTK+ Version 3.24.24, cairo version 1.16.0)
 of 2021-04-28
Package: Org mode version 9.4.4 (release_9.4.4 @ /usr/local/share/emacs/28.0.50/lisp/org/)

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[-- Attachment #3: bug1.org.txt --]
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# -*- mode: org; -*-

*** Minimal setup using =straight.el=

 # =straight.el=[fn:xxx3]

 Add this to your init file,

 #+begin_src emacs-lisp
  (straight-use-package 'helm)
 #+end_src

 or

 # #+begin_src emacs-lisp
 #  (use-package helm
 #	      :straight t
 #	      :config
 #	      [...])
 # #+end_src

 #+begin_src emacs-lisp
   (use-package helm :straight t)
 #+end_src

 For further information, see =straight.el='s user manual.

 # To upgrade =helm=, do {{kbd(M-x straight-pull-package)}} and restart
 # Emacs.  =straight.el= will rebuild helm for you.


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