From a8e1414c0d66903884059361ecc8ec70da37cf35 Mon Sep 17 00:00:00 2001 From: Stephen Berman Date: Thu, 14 Jul 2016 09:55:28 +0200 Subject: [PATCH] Fix delete-duplicate-lines * lisp/sort.el (delete-duplicate-lines): Delete duplicate first line when operating backward (bug#23863). --- lisp/sort.el | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lisp/sort.el b/lisp/sort.el index 4d7311f1e51..8bc71388ad5 100644 --- a/lisp/sort.el +++ b/lisp/sort.el @@ -596,7 +596,7 @@ is non-nil, it also prints a message describing the number of deletions." (equal current-prefix-arg '(64)) t))) (let ((lines (unless adjacent (make-hash-table :test 'equal))) - line prev-line + line prev-line first-line (count 0) (beg (copy-marker beg)) (end (copy-marker end))) @@ -604,8 +604,9 @@ is non-nil, it also prints a message describing the number of deletions." (goto-char (if reverse end beg)) (if (and reverse (bolp)) (forward-char -1)) (while (if reverse - (and (> (point) beg) (not (bobp))) + (not first-line) (and (< (point) end) (not (eobp)))) + (setq first-line (and reverse (or (<= (point) beg) (bobp)))) (setq line (buffer-substring-no-properties (line-beginning-position) (line-end-position))) (if (and keep-blanks (string= "" line)) -- 2.39.5