-Before the signature for `swprintf` was standardized, a version shipped in an older Microsoft C runtime library that didn't take the character count parameter. The older version is still available in the Microsoft C runtime library, but it's deprecated and was renamed `_swprintf()`. /For code that was written against the older signature, define `_CRT_NON_CONFORMING_SWPRINTFS` which maps calls to `swprintf` to `_swprintf`. In a future version, the old behavior may be removed, so code should be changed to use the new conformant behavior.
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