Use of tag characters in a private encoding - is it valid please?

[William_J_G Overington]

Readers who would like to try the invention, whether by a thought 
experiment, or with pen and paper, or by writing software, either 
privately or by also posting in this thread may like the following 
research scenario.
 
 
A man in Portugal is using a cascading menu system to select preset 
sentences listed in Portuguese and including them in an email to send to 
an Information Management Centre in Slovenia where the lady there is 
using a computer where the preset sentences are listed in Slovenian and 
preset sentences in an incoming email are localized into Slovenian and 
displayed in Slovenian.
 
 
Using the Private Use Area code points specified in the post
 
 
https://corp.unicode.org/pipermail/unicode/2024-May/010900.html 
<https://corp.unicode.org/pipermail/unicode/2024-May/010900.html>
 
 
please explore the process of the man in Portugal sending a message 
enquiring about his sister whose train has been diverted because of an 
avalanche and the lady in Slovenia sending a reply that she is safe.
 
 
Here are some codes with the meanings expressed in English.
 
 
!123 Good day.
 
 
!987 Best regards,
 
 
!128 The following question has been asked.
 
 
!129 My answer is as follows.
 
 
!313125 Is there any information about the following person please?
 
 
!313672 The enquirer is the brother of the first person that was named.
 
 
!313987 The person is safe.
 
 
William Overington
 
 
Thursday 9 May 2024
 
 
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