(fill-region-as-paragraph):

When justifying, cope if line ends in spaces and no newline.

diff --git a/lisp/textmodes/fill.el b/lisp/textmodes/fill.el
index 5609eef944d1055f3a70ecc11c8fa74faf92a6df..a7431356fda8ee77ae1ea6cced3c9bcfb4a1596f 100644 (file)
--- a/lisp/textmodes/fill.el
+++ b/lisp/textmodes/fill.el
@@ -513,8 +513,10 @@ space does not end a sentence, so don't break a line there."
                         (setq prefixcol (current-column))))))
              ;; Justify the line just ended, if desired.
              (if justify
-                 (if (eobp)
-                     (justify-current-line justify t t)
+                (if (save-excursion (skip-chars-forward " \t") (eobp))
+                    (progn
+                      (delete-horizontal-space)
+                      (justify-current-line justify t t))
                    (forward-line -1)
                    (justify-current-line justify nil t)
                    (forward-line 1))))))