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[CJ-Johnson]

Summary

This is just for me to learn the process of creating and editing a diff from the command line, since last time I was copy-pasting into the UI

[CJ-Johnson]

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libc/docs/clang_tidy_checks.rst

19

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[CJ-Johnson]

Test update message, please ignore

libc/docs/clang_tidy_checks.rst

 presents a problem when writing implementations since system libc headers are
 easy to include accidentally and we can't just use the ``-nostdinc`` flag.
 Improperly included system headers can introduce runtime errors because the C
 standard outlines function prototypes and behaviors but doesn’t define
 underlying implementation details such as the layout of a struct.
 
 Extra
 
-Lines
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 To
 
 Visualize
 
 This check prevents accidental inclusion of system libc headers when writing an
 llvm-libc implementation.
 
 .. code-block:: c++