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Very often, especially new Mathematica users stumble over the following error: They gave, maybe hours ago, a symbol a value like x=3, and later they try to use it where a function really expects a symbol: This leads of course to an error, because the Minimize call does not see the x, but only its value. The same happens when you try to derive this ...

That's a good question, though perhaps difficult to answer. The input aliases for these letters are stored not in the InputAliases option of the $FrontEnd object but rather in the UnicodeCharacters.tr file. Surely they are loaded into the Front End but I do not know the location of that data, and as such I cannot think of a clean way to access that ...

This is not necessarily an answer, but the Mathematica system is very flexible and I think you might be able to accomplish what you're after with Mathematica itself. Look at this code here: nbWindow = Null; nb = Notebook[{}]; OPEN[] := Module[{}, nbWindow = NotebookCreate[Visible -> False]; nbWindow = NotebookPut[nb]; SetOptions[nbWindow, ...

Here's a function that might help: Clear[escapify]; Attributes[escapify] = {Listable}; escapify[s_String] := NotebookWrite[SelectedNotebook[], StringJoin[ "\\" <> "[AliasDelimiter]" <> # <> "\\" <> "[AliasDelimiter]" & /@ Characters[s]]]; This takes each character in a string (or list of strings) and puts it into a new ...