[Bug]: `.cu` files show `nullptr` as misspelled

[BenFrantzDale]

Kind of Issue

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Tool or Library

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Version

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Supporting Library

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OS

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OS Version

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Description

I had to add

    "languageSettings": [
        {
            "languageId": "cuda-cpp",
            "locale": "en",
            "dictionaries": ["cpp", "cuda"] //< Without this, `nullptr` was flagged in `.cu` files.
        }
    ]

Steps to Reproduce

1. Open a .cu file with C++ keywords like nullptr.
2. Note that nullptr is marked as misspelled.

Expected Behavior

Since CUDA is a superset of C++, it should share keywords.

Additional Information

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cspell.json

cspell.config.yaml

Example Repository

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