A Tab and a CR are not unprintable characters and should not be indicated
with a box.  1 is different in that respect.  1 may be a printable character
in Squeak, as you have explained, but it is not in other places.

I understand your explanation and I'm fine with leaving it as is.

Ron

> From: Andreas Raab
> Sent: Monday, September 11, 2006 2:06 PM
> 
> Ron Teitelbaum wrote:
> > I see the solution to the 1 asCharacter issue is to remove the printing
> of
> > the box for this unprintable character.  This is not consistent with
> other
> > non printable characters.
> 
> It is consistent. Like I wrote before, Character value: 1 is used to
> indicate a variable space for displaying an embedded morph, just like
> Character value: 9 is used to indicate a tab space and Character value:
> 13 is used to indicate a line break. All of these are interpreted white
> space characters, for none of which we want to see a glyph.
> 
> Cheers,
>    - Andreas
> 
>