message: Prevent execution of the code in the macro doc
diff: @@ -11,7 +11,7 @@ macro_rules! get(
  /// You can create a document with a value of `value1` for `field1`
  /// `value2` for `field2`, as follows :
  ///
  -/// ```
  +/// ```c
  /// doc!(
  /// field1 => value1,
  /// field2 => value2,
  