Deleting a char inside a textField via code

[Richmond Mathewson]

Normally, if one were typing into a textField and made a mistake one 
would hit the back delete key
and the mistake would vanish.

How does one do this "programmatically"?

Here's the (admittedly odd scenario):

Unicode behaves inconsistently in various marginal cases with Devanagari 
script,
and what happens is that the first time one sends this:

put numToCodePoint(7418) after the selectedText

one ends up with a useless square.

But if one does this:

put numToCodePoint(7418) after the selectedText
put numToCodePoint(7418) after the selectedText

one ends up with the useless square PRECEDED by the target glyph.

So, the 'clever' work around might be to do this:

put numToCodePoint(7418) after the selectedText
put numToCodePoint(7418) after the selectedText

followed by deleting the useless square

However doing this:

put numToCodePoint(65288) after the selectedText

results in another useless square.

Richmond.