"Oh, Dear, Richmond's on a roll . . . ."

So; the story so far:

Richmond has worked out how to shove unicodeText inside other unicodeText:

on mouseUp
    set the useUnicode to true
    set the unicodeText of the selectedText to numToChar(50000)
end mouseUp


But, now, being one of those types who always wants more, he wants to
check what the unicode Char precedes the insertion point . . .

Tried:

on mouseUp
   set the useUnicode to true
   if the unicodeText of the selectedText -1 = numToChar(32) then
      set the unicodeText of the selectedText to numToChar(50000)
   else
      set the unicodeText of the selectedText to numToChar(60000)
      end if
end mouseUp

which, bye-the-bye, the script-editor said was acceptable . . .

[ quite WHY I thought of '-1' is hard to explain ]

but no good at all . . .  :(
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