The .ENABLE UNDERLINING and .DISABLE UNDERLINING commands enable
    and disable the underline function. You can perform underlining
    only if recognition of the Underline flag (&) is turned on and
    the underline function is enabled.

    Formats

      .ENABLE UNDERLINING

      .DISABLE UNDERLINING

    Abreviated formats

      .EUN

      .DUL

  Additional Information (explode) :

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