On 01/01/2009, at 11:34 PM, Arno Trautmann wrote:

> But then I would say \catcode =12 to everything else, excluding only \
> and maybe {} for grouping. Maybe even the meaning of % and \% could be
> interchanged: % in normal Text and \% as comment?
> Or is that too much changed?…

I'd definitely like to explore ideas like this.
I've vaguely thought in the past what it would take to get {} braces  
as having  catcode other. I'm not sure it's feasible but I think it  
would sure be nice :)

At this stage, however, we can just leave it as vague plans...

Will