*	This function will return the reference to the present executable for the file extension.
*	An empty return value indicates that there's no executable for that extension present.
*	We're not interested in the cause of a failure. However, that info *could* be given.

* Parameters:
*	tcExtension	Obliged parameter. File extension that triggers the executable. E.g. "htm", "txt", "app"

Groet,
Peter de Valença

Constructive frustration is the breeding ground of genius.
If there’s no willingness to moderate for the sake of good debate, then I have no willingness to debate at all.
Let's develop superb standards that will end the holy wars.
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