Short representation for LWB and UPB

[Mohammad-Reza Nabipoor]

Hi.

On Sun, Feb 22, 2026 at 01:47:35AM +0100, Jose E. Marchesi wrote:
> 
> > I'm drawing a Saturday afternoon blank here but what do we use ? for in
> > Algol68?
> >
> > As a graphic device I like ?[ for LWB and ?] for UPB (ir something
> > similar), the ? hinting at "query"
> 
> ? is a monad, so its ok.
> 
> But we cannot use [ and ].  These are worthy but not nomads.
> 


That's unfortunate.


> I personally like <<a and >>b.
> 
> But ?<a and ?>b would be possible as well...
> 


I like ?< and ?>.


And I don't think we need to have << and >> for shifting in extended standard.
Users can define them as they wish.


Regards,
Mohammad-Reza