I have decided that the way to progress the research is to try to get the 
system implemented using Private Use Area characters.
 
I have added a page to our family webspace.
 
http://www.users.globalnet.co.uk/~ngo/research.htm
 
At the time of writing this post the page simply contains a link to the 
paper_draft_005.pdf document.
 
I am suggesting that for research purposes using the Private Use Area that the 
value of XY in the paper_draft_005.pdf document is FA. Thus, for example, the 
command ai:=ui; that is listed in the document as U+XY014 is implemented in the 
Private Use Area as U+FA014. I am suggesting using plane 15 because if the 
portable interpretable object code is ever implemented in regular Unicode then 
it will not be in plane 0, so research needs, in my opinion, to be using 
codepoints in other than plane 0.
 
Starting at U+FA000 is convenient for entering codes into WordPad using Alt 
codes as the decimal equivalent of hexadecimal FA000 is 1024000. Thus, for 
example, U+FA014 would be entered using Alt 1024020.
 
----
 
On Wednesday 2 June 2010, John H. Jenkins <jenk...@apple.com> wrote:
 
> On Jun 2, 2010, at 3:51 AM, William_J_G Overington wrote:
> 
> > I know of no reason to think that a person "skilled in
> the art" would be unable to write an iPad app to receive a
> program written in the portable interpretable object code
> arriving within a Unicode text message and then for the
> program to run in a virtual machine within the app,
> displaying a graphical result on the screen of the iPad.
> Could such an app be written based on the information in the
> paper_draft_005.pdf document? 
> >  
> 
> OK, one very last note.  The answer to this question
> is, "No."  
> 
 
Hopefully using F and A as the values for X and Y respectively will resolve 
that issue. If any reader notices anything else I would be grateful to know 
please, by email if you prefer.
 
Also, if anyone does try implementing an interpreter, whether for the iPad or 
otherwise, I would be interested to know the results please.
 
----
 
On Wednesday 2 June 2010, Andrew West <andrewcw...@gmail.com> wrote:
 
> You mean, you are proposing to encode characters that can
> be used to create plain text viruses -- nice!
 
I have done all that I can to try to ensure quite specifically that there is no 
virus threat, within the limits of my knowledge of those matters, which is not 
great. In the paper_draft_005.pdf document there are three mentions of the word 
sandbox. Yet I am concerned from what Andrew wrote that I may be missing 
something.
 
I wonder if anyone could possibly say please, by email if preferred, if they 
notice anything specific in what I have suggested that could lead to a problem 
with viruses?
 
----
 
I am hoping to make a font with authoring-time glyphs for each of the commands 
in the paper_draft_005.pdf document. I have some experience of making a font 
with glyphs in plane 15 from experiments using emoji. I produced some notes as 
I learned.
 
http://forum.high-logic.com/viewtopic.php?f=3&t=2527
 
For the designs of the glyphs I am, at the present time, thinking of having 
each design within a square with rounded corners.
 
This research is intended to proceed outside this mailing list, so anyone 
interested is welcome to email me.
 
If I make any progress I will try to add a note to the following web page.
 
http://www.users.globalnet.co.uk/~ngo/research.htm
 
William Overington
 
3 June 2010
 



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