[Wikipedia-l] Box characters and question marks

[koyaanisqatsi at nupedia.com]

>It's Quercusrobur's talk page. The characters changed to question marks are 
>neither standard nor pasted from MS Word. They are the output of the 
>following Forth code:
>
>: box 160 128 do i emit loop ;  ok
>cr box
>???????????????????????????????? ok
>
>phma

Now I'm completely lost.  If I did it, I'm sorry.  I don't know what to change to avoid doing it again though.

kq