What does TryRealOnly mean in TaggingRules?

Question

Using version 14.2.1

I recently learned about the FrontEnd's TaggingRules option for objects, in my case Notebooks. I'm using TaggingRules to store region-of-interest and similar settings for our labs daily analysis notebooks. I noticed when I first learned about TaggingRules that CurrentValue[EvaluationNotebook[],TaggingRules] returns <|"TryRealOnly"->False|> but I do not know what this means. Opening a new notebook gives <|"ChatNotebookSettings"-><||>|> but nothing with "TryRealOnly"

My guess is that it somehow got added months ago when I was doing something funky and since we just copy the previous days analysis notebook (which is why storing in the notebook meta data is handy!) it came along for the ride. But I'm curious what this option could mean?

Answer 1

It is a setting used by the Wolfram|Alpha notebooks

And respected in its evaluation function:

 CurrentValue[{StyleDefinitions, "NaturalLanguage2DInput", CellEvaluationFunction}]

AlphaIntegration`NaturalLanguageInputEvaluate[
   NaturalLanguage2DInput->EvaluationCell[],#2
]&

See details at the bottom of the list there:

Needs@"GeneralUtilites`";
PrintDefinitions@AlphaIntegration`NaturalLanguageInputEvaluate