(icalendar--get-unfolded-buffer): Use `insert-buffer-substring' and `goto-char',

not `insert-buffer'.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/calendar/icalendar.el b/lisp/calendar/icalendar.el
index aa33ac598e1..7e9e44210ef 100644
--- a/lisp/calendar/icalendar.el
+++ b/lisp/calendar/icalendar.el
@@ -189,7 +189,8 @@ buffer."
     (save-current-buffer
       (set-buffer unfolded-buffer)
       (erase-buffer)
-      (insert-buffer folded-ical-buffer)
+      (insert-buffer-substring folded-ical-buffer)
+      (goto-char (point-min))
       (while (re-search-forward "\r?\n[ \t]" nil t)
         (replace-match "" nil nil)))
     unfolded-buffer))