branch: externals-release/org
commit 51937d4b13f63927912390c252738436968c554f
Author: Ihor Radchenko <yanta...@posteo.net>
Commit: Ihor Radchenko <yanta...@posteo.net>

    * lisp/ox.el (org-export-to-file): Ensure final newline
    
    The newline were added by default in the past, before d7a55bbd5.
    Continue to add it to avoid changed behavior.
    
    Reported-by: YE <y...@ego.team>
    Link: https://orgmode.org/list/87wmvwklnq.fsf@localhost
---
 lisp/ox.el | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lisp/ox.el b/lisp/ox.el
index 94cc5a2288..b635076069 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -6691,6 +6691,11 @@ or FILE."
                     ',ext-plist)))
               (with-temp-buffer
                 (insert output)
+                 ;; Ensure final newline.  This is what was done
+                 ;; historically, when we used `write-file'.
+                 ;; Note that adding a newline is only safe for
+                 ;; non-binary data.
+                 (unless (bolp) (insert "\n"))
                 (let ((coding-system-for-write ',encoding))
                   (write-region (point-min) (point-max) ,file)))
               (or (ignore-errors (funcall ',post-process ,file)) ,file)))
@@ -6698,6 +6703,11 @@ or FILE."
                        backend subtreep visible-only body-only ext-plist)))
           (with-temp-buffer
             (insert output)
+            ;; Ensure final newline.  This is what was done
+            ;; historically, when we used `write-file'.
+            ;; Note that adding a newline is only safe for
+            ;; non-binary data.
+            (unless (bolp) (insert "\n"))
             (let ((coding-system-for-write encoding))
              (write-region (point-min) (point-max) file)))
           (when (and (org-export--copy-to-kill-ring-p) (org-string-nw-p 
output))

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