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Adapt delete-blank-lines to fix corner cases in blank line handling

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This commit is contained in:
Chris Barrett
2022-10-05 22:46:04 +13:00
parent c60e41ea19
commit 0a51c63076
1 changed files with 15 additions and 2 deletions
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17
lisp/org-format.el
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@@ -73,6 +73,19 @@ Only applies to level-1 headings in the document."
(let ((tags (org-get-tags)))
(seq-contains-p tags org-archive-tag))))
(defun org-format--delete-blank-lines ()
"Modified version of `delete-blank-lines'."
(beginning-of-line)
(when (looking-at "[ \t]*$")
(delete-region (point)
(if (re-search-backward "[^ \t\n]" nil t)
(progn (forward-line 1) (point))
(point-min))))
;; Handle the special case where point is followed by newline and eob.
;; Delete the line, leaving point at eob.
(when (looking-at "^[ \t]*\n\\'")
(delete-region (point) (point-max))))
(defun org-format-all-headings ()
"Ensure that blank lines exist between headings and their contents."
(interactive)
@@ -100,7 +113,7 @@ Only applies to level-1 headings in the document."
(unless (and (fboundp 'org-transclusion-within-transclusion-p)
(org-transclusion-within-transclusion-p))
(forward-line 1)
(delete-blank-lines)
(org-format--delete-blank-lines)
(org-format--ensure-empty-lines org-format-blank-lines-before-meta)
(org-end-of-meta-data t)
(org-format--ensure-empty-lines org-format-blank-lines-before-content)))
@@ -110,7 +123,7 @@ Only applies to level-1 headings in the document."
(org-with-wide-buffer
;; Clean up trailing whitespace.
(goto-char (point-max))
(delete-blank-lines)
(org-format--delete-blank-lines)
;; Format transcluded headings as if they were really there.
(goto-char (point-min))