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#[allow(non_snake_case)] pub(crate) fn unescape(ch: char) -> char { match ch { 'a' => '\x07', // \a 'b' => '\x08', // \b 'f' => '\x0c', // \f 'n' => '\n', 'r' => '\r', 't' => '\t', 'v' => '\x0b', // \v _ => ch, } }