diff --git a/lisp/language/chinese.el b/lisp/language/chinese.el
index 2fb99d243ef..2d3688be249 100644
--- a/lisp/language/chinese.el
+++ b/lisp/language/chinese.el
@@ -190,6 +190,8 @@ Support for Chinese CNS character sets.  Note that EUC-TW coding system
 accepts Big5 for input also (which is then converted to CNS)."))
  '("Chinese"))
 
+;; Fixme: GBK coding system
+
 (provide 'chinese)
 
 ;;; chinese.el ends here
diff --git a/lisp/language/japanese.el b/lisp/language/japanese.el
index 0da43a8bb8e..84931117ab7 100644
--- a/lisp/language/japanese.el
+++ b/lisp/language/japanese.el
@@ -70,6 +70,9 @@
 
 (define-coding-system-alias 'shift_jis 'japanese-shift-jis)
 (define-coding-system-alias 'sjis 'japanese-shift-jis)
+;; Fixme: AKA Shift-JIS according to
+;; <URL:http://www.microsoft.com/globaldev/reference/WinCP.asp>.  Is
+;; that correct?
 
 (define-coding-system 'japanese-iso-7bit-1978-irv
   "ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman."