[Issue 21596] Header generation should NOT touch the existing identical header file, if any

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=21596

--- Comment #1 from Andrei Alexandrescu <and...@erdani.com> ---
Related: https://issues.dlang.org/show_bug.cgi?id=21597

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