diff --git a/vim/markdown.vim b/vim/markdown.vim
index 26d2db0..c1906cc 100644
--- a/vim/markdown.vim
+++ b/vim/markdown.vim
@@ -1,7 +1,8 @@
 function! Box_clear ()
     mapclear!
     map <space> :<C-U>call Flip_box()<CR>j^
-    imap <C-b> [ ] 
+    imap <C-b> [ ]
+    imap <C-t> <todo> </todo>
     imap <C-d> <C-R>=strftime('%y-%m-%d %H:%M')<CR>
     set laststatus=2
     set statusline=%f\ %=\ ([x]\ spc,^bd)\ (%v,%l)
@@ -13,6 +14,9 @@ function! Flip_box ()
     s!\[ \]![xXx]!eg
     s!\[x\]![ ]!eg
     s!\[xXx\]![x]!eg
+    s!<todo>!<todo xXx>!eg
+    s!<todo #[^>]*>!<todo>!eg
+    s!<todo xXx>!<todo #q>!eg
 endfunction
 
 set filetype=markdown