Doxygen

language: "c++"

/**    ¦       ->      /**    ¦
 * a b c                * a b ¦
 * @t d e               * c   ¦
 */    ¦                * @t d¦
                        * e   ¦
                        */    ¦

/*!    ¦       ->      /*!    ¦
 * a b c                * a b ¦
 * @t d e               * c   ¦
 */    ¦                * @t d¦
                        * e   ¦
                        */    ¦

//! a b c      ->      //! a b ¦
//! @t d¦e             //! c   ¦
        ¦              //! @t d¦
        ¦              //! e   ¦

Triple-slash comments expect xml (https://www.doxygen.nl/manual/xmlcmds.html)

/// <summary> What the method    ->      /// <summary> What the    ¦
/// does </summary>       ¦              /// method does </summary>¦
/// <param name="s">      ¦              /// <param name="s">      ¦
/// The s param </param>  ¦              /// The s param </param>  ¦
///                       ¦              ///                       ¦
/// <description>         ¦              /// <description>         ¦
/// Extended info.        ¦              /// Extended info. Text   ¦
/// Text text text.       ¦              /// text text.            ¦
/// </description>        ¦              /// </description>        ¦