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------------------------------------------------------------------------
Bug(maybe): org-edit-special under org 9.x does not preserve the leading spaces in black line or dose not indent the blank line after exit editing.
Reproduce steps:
Launch emacs by `emacs -Q`, eval the following snippet(assumed org 9.x
is installed via elpa)
(package-initialize)
(require 'org)
open a org buffer, input the source by <s and type `python`
#+BEGIN_SRC python
#+END_SRC
use C-c ' to edit the block and input
for i in range(10): # input this line and <enter>
# there are 4 spaces before the '#' now
use C-c ' to close the source block buffer and back to org-mode, we can
see the first line of the block is indented 2 spaces by org while the blank line
isn't.
Emacs : GNU Emacs 25.1.1 (x86_64-apple-darwin16.3.0, Carbon Version 157 AppKit 1504.76)
of 2016-12-23
Package: Org mode version 9.0.3 (9.0.3-elpa @ /Users/Yomisuko/.emacs.d/elpa/org-20161224/)
current state:
==============
(setq
org-tab-first-hook '(org-babel-hide-result-toggle-maybe org-babel-header-arg-expand)
org-speed-command-hook '(org-speed-command-default-hook org-babel-speed-command-hook)
org-occur-hook '(org-first-headline-recenter)
org-metaup-hook '(org-babel-load-in-session-maybe)
org-confirm-shell-link-function 'yes-or-no-p
org-after-todo-state-change-hook '(org-clock-out-if-current)
org-src-mode-hook '(org-src-babel-configure-edit-buffer
org-src-mode-configure-edit-buffer)
org-agenda-before-write-hook '(org-agenda-add-entry-text)
org-babel-pre-tangle-hook '(save-buffer)
org-mode-hook '((closure
(org-inlinetask-min-level buffer-face-mode-face org-mode-map
org-tbl-menu org-org-menu org-struct-menu org-entities
org-last-state org-id-track-globally org-clock-start-time
texmathp-why remember-data-file
org-agenda-tags-todo-honor-ignore-options iswitchb-temp-buflist
calc-embedded-open-mode calc-embedded-open-formula
calc-embedded-close-formula align-mode-rules-list
org-emphasis-alist org-emphasis-regexp-components
org-export-registered-backends org-modules
org-babel-load-languages t)
nil
(add-hook (quote change-major-mode-hook) (quote org-show-block-all)
(quote append) (quote local))
)
#[0 "\300\301\302\303\304$\207"
[add-hook change-major-mode-hook org-babel-show-result-all append
local]
5]
org-babel-result-hide-spec org-babel-hide-all-hashes)
org-archive-hook '(org-attach-archive-delete-maybe)
org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers
org-cycle-show-empty-lines
org-optimize-window-after-visibility-change)
org-confirm-elisp-link-function 'yes-or-no-p
org-metadown-hook '(org-babel-pop-to-session-maybe)
org-link-parameters '(("id" :follow org-id-open)
("rmail" :follow org-rmail-open :store org-rmail-store-link)
("mhe" :follow org-mhe-open :store org-mhe-store-link)
("irc" :follow org-irc-visit :store org-irc-store-link)
("info" :follow org-info-open :export org-info-export :store
org-info-store-link)
("gnus" :follow org-gnus-open :store org-gnus-store-link)
("docview" :follow org-docview-open :export org-docview-export
:store org-docview-store-link)
("bibtex" :follow org-bibtex-open :store org-bibtex-store-link)
("bbdb" :follow org-bbdb-open :export org-bbdb-export
:complete org-bbdb-complete-link :store org-bbdb-store-link)
("w3m" :store org-w3m-store-link) ("file+sys") ("file+emacs")
("doi" :follow org--open-doi-link)
("elisp" :follow org--open-elisp-link)
("file" :complete org-file-complete-link)
("ftp" :follow
(lambda (path) (browse-url (concat "ftp:" path))))
("help" :follow org--open-help-link)
("http" :follow
(lambda (path) (browse-url (concat "http:" path))))
("https" :follow
(lambda (path) (browse-url (concat "https:" path))))
("mailto" :follow
(lambda (path) (browse-url (concat "mailto:" path))))
("message" :follow
(lambda (path) (browse-url (concat "message:" path))))
("news" :follow
(lambda (path) (browse-url (concat "news:" path))))
("shell" :follow org--open-shell-link))
org-clock-out-hook '(org-clock-remove-empty-clock-drawer)
)