> Hi Juan,




> Thanks very much, I saw it too late to respond yesterday. A couple of remarks

>     1. (on "\u2611 ") ; CHECK MARK: I rather prefer 2612 but this is a
>        question of taste

>     2. It seems not to work, I loaded the function and Executed the
>        advice, but 

I just want to clarify, that your code works.
I realized that I used the word checkbox not a the strict org mode sense.
Sorry for the confusion!

Thanks for your code