Package: groovy.xml.markupsupport

## [Java] Class AllControlToUndefined

- groovy.xml.markupsupport.AllControlToUndefined

-     public class AllControlToUndefined
      extends StandardControlToUndefined

  Replaces XML-disallowed control characters and Unicode noncharacters with `U+FFFD`.

- - ### Methods Summary

    Methods
    Type Params | Return Type | Name and description
    --- | --- | ---
    `` | `public Optional<String>` | `apply(Character ch)` Applies this function to the given argument. Parameters: `t` - the function argument Returns: the function result

  - ### Inherited Methods Summary

    Inherited Methods
    Methods inherited from class | Name
    --- | ---
    `class StandardControlToUndefined` | `apply`

- - ### Method Detail

    - #### public Optional<String> apply(Character ch)

      Applies this function to the given argument.

      Parameters:
        `t` - the function argument
      Returns:
        the function result