byte-compile warnings of sb-dennou.el

[TSUCHIYA Masatoshi <tsuchiya@xxxxxxxxxxxxxxxxxxxxxxx>]

現在の CVS 先端の sb-dennou.el を emacs21 で byte-compile すると，以下
の warning が出ます．

Loading /usr/lib/emacs/21.2/i386-debian-linux-gnu/fns-21.2.1.el (source)...
While compiling toplevel forms in file /home/tsuchiya/work/elisp/w3m/shimbun/sb-dennou.el:
  ** assignment to free variable month
  ** assignment to free variable day
  ** assignment to free variable subject
  ** reference to free variable month
  ** reference to free variable day
  ** assignment to free variable date
  ** assignment to free variable id
  ** reference to free variable id
  ** reference to free variable subject
  ** assignment to free variable start
  ** assignment to free variable end
  ** reference to free variable start
  ** reference to free variable end
  ** reference to free variable date
Wrote /home/tsuchiya/work/elisp/w3m/shimbun/sb-dennou.elc

ちょっと直している暇がないので報告のみです．すみません．

-- 
土屋 雅稔 ( TSUCHIYA Masatoshi )