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kill-whole-line works as I want. It cuts the line, and when I'm in org-mode it cuts the whole collapsed subtree.

What I need is just that as copy instead of cut. There is a multitude of suggestions here how to copy a whole line, which all work, but in org-mode they simply do not copy the whole collapsed subtree, they just copy the first line.

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  • FWIW, a common Emacs idiom for emulating save-* commands is performing the corresponding kill command and then immediately undoing/yanking the kill, e.g. C-k followed by C-y, as the former kill modifies the kill-ring whereas the latter undo or yank does not. – Basil Dec 20 '17 at 18:31
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How 'bout

(defun save-whole-line ()
  (interactive)
  (save-excursion
    (forward-visible-line 0)
    (let ((start (point)))
      (forward-visible-line 1)
      (kill-new (buffer-substring start (point))))))

The (forward-visible-line 0) was taken from kill-whole-line's source code, and the kill-new was taken from copy-region-as-kill's source code (both of which should be easy to find via C-h f <function-name> RET).

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  • Thanks for that code. It works as expected. I don't get it. If kill-whole-line is a part of emacs why not save-whole-line? – Jens Lange Dec 14 '17 at 17:27
  • Better would be a general "kill prefix" which you could use before any navigation command. – Stefan Dec 14 '17 at 19:26
  • How about making a suggestion on the emacs mailing list? I think you have a point here. – Jens Lange Dec 15 '17 at 13:44
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To copy an entire subtree (including the parts that are hidden) use C-c C-x M-w which runs org-copy-special

To copy an entire subtree (NOT including the parts that are hidden) you can mark the entire section and run C-c C-x v which runs org-copy-visible

(these work for Spacemacs 0.200.9@27.0.50 but I believe they also work for regular emacs)

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  • No, what I need is an mode-universal command like kill-whole-line. org-copy-special works quite differently than kill-whole-line. Combining org-copy-special with org-copy-visible works somehow but it is far from the universal behaviour of kill-whole-line – Jens Lange Dec 14 '17 at 17:14

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