Problems with 'd' and 'delete' key

[saneman]

I have redefined C-d to comment/uncomment. But when I press delete it 
also inserts a comment (% i latex mode). Is it possible to assign 
something to the key 'd' without change 'delete'?

I have this in my .emacs file:


(global-set-key "\C-d" 'comment-dwim)
(define-key function-key-map [delete] [deletechar])

But delete still inserts a comment instead of deleting a character.