2 files changed, 6 insertions, 3 deletions

diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index cec4fb24616..c16c2460e75 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -1829,10 +1829,13 @@ For use in `add-log-current-defun-function'."
   (eval-and-compile (require 'smerge-mode))
   (save-excursion
     (diff-beginning-of-hunk 'try-harder)
-    (let* ((style (diff-hunk-style))    ;Skips the hunk header as well.
+    (let* ((start (point))
+           (style (diff-hunk-style))    ;Skips the hunk header as well.
            (beg (point))
            (props '((diff-mode . fine) (face diff-refine-change)))
-           (end (progn (diff-end-of-hunk) (point))))
+           ;; Be careful to go back to `start' so diff-end-of-hunk gets
+           ;; to read the hunk header's line info.
+           (end (progn (goto-char start) (diff-end-of-hunk) (point))))
 
       (remove-overlays beg end 'diff-mode 'fine)
 
diff --git a/lisp/vc/log-edit.el b/lisp/vc/log-edit.el
index 2bce58f50f2..c7f37c50011 100644
--- a/lisp/vc/log-edit.el
+++ b/lisp/vc/log-edit.el
@@ -774,7 +774,7 @@ where LOGBUFFER is the name of the ChangeLog buffer, and each
                 (setq pattern (file-name-nondirectory file)))
 
             (setq pattern (concat "\\(^\\|[^[:alnum:]]\\)"
-                                  pattern
+                                  (regexp-quote pattern)
                                   "\\($\\|[^[:alnum:]]\\)"))
 
             (let (texts