Remove redundant empty line
one is enough
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@ -242,7 +242,6 @@ fn _var(key: &OsStr) -> Result<String, VarError> {
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/// - the environment variable's name contains
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/// - the environment variable's name contains
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/// the equal sign character (`=`) or the NUL character
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/// the equal sign character (`=`) or the NUL character
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///
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///
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///
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/// Note that the method will not check if the environment variable
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/// Note that the method will not check if the environment variable
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/// is valid Unicode. If you want to have an error on invalid UTF-8,
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/// is valid Unicode. If you want to have an error on invalid UTF-8,
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/// use the [`var`] function instead.
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/// use the [`var`] function instead.
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