[Egyptian] proposal 2016-07-22

[Mark-Jan Nederhof]

END and EMPTY have always been there. END is part of the brackets that
you didn't like, as you said during my presentation. I'm sure EMPTY was 
mentioned during my presentation as well.

The SEPARATOR was introduced because (I believe) you said that there should be 
something between each pair of characters that is combined in some way.
The choice for a single operator SEPARATOR for both horizontal and vertical
grouping was motivated in my message 13/07/2016 11:47 
(addressed to you personally, before there was the email list).

Mark-Jan


On Sunday 24 Jul 2016 00:33:37 Michael Everson wrote:
> I use different words and different glyphs for these. 
> 
> But you have END, SEPARATOR, and EMPTY which we did not discuss in Cambridge.
> 
> 
> > On 22 Jul 2016, at 18:05, Mark-Jan Nederhof <mn31 at st-andrews.ac.uk> wrote:
> > 
> > Dear all,
> > 
> > We adapted our proposal. Please find it in:
> > 
> > https://mjn.host.cs.st-andrews.ac.uk/tmp/unicode2.pdf
> > 
> > We have responded to the criticism about brackets and prefix operators. We have gotten
> > rid of all prefix operators and replaced them by infix operators. As for brackets, it is well
> > possible to get rid of them too (not entirely, there are still the cartouches),
> > but the price to pay for this is added complexity of the syntax due to needing several
> > copies of each primitive with different operator precedence, perhaps three or four. 
> > It is outlined in Section 9 how this would be done. This adds to the complexity
> > that already exists, after the prefix operators were removed; have a look at
> > appendix A and see whether you can verify the grammar is unambiguous.
> > 
> > There are no names on the proposal. That is partly because not everyone from
> > TLA/Ramses/St Andrews has had a chance to look at it yet, and partly because
> > anyone is welcome to have their name added if they feel they contributed and
> > subscribe to the content.
> > 
> > Mark-Jan
> > 
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> 
> 
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