libtsxx [DOC][FIX]: fix member grouping for doxygen

src/libs/libtsxx/tsxx.h

@@ -89,13 +89,13 @@ namespace ts {
          * application of the const qualifier. This is not the case for
          * samples, being addressed through the series with handle semantics.
          */
-        //@{
+        //!@{
         typedef S Tseries;
         typedef H Theader;
         typedef typename Tseries::Tvalue Tvalue;
         typedef TimeSeries<Tseries, Theader> Ttimeseries;
         typedef TimeSeries<typename Tseries::Tcoc, Theader> Tconsttimeseries;
-        //@}
+        //!@}
 
         /*! \name Constructors.
          *
@@ -103,32 +103,32 @@ namespace ts {
          * in mutual assignments of different class derived from this
          * template. They all are a valid Tseries by definition.
          */
-        //@{
+        //!@{
         TimeSeries() { }
         TimeSeries(const Tseries& s, const Theader& h):
           Tseries(s), header(h) { }
         TimeSeries(const Ttimeseries& s):
           Tseries(s), header(s.header) { }
-        //@}
+        //!@}
 
         /*! \name Assignment operators.
          */
-        //@{
+        //!@{
         //! assign series to time series
         Ttimeseries& operator=(const Tseries& s) 
           { this->Tseries::operator=(s); return(*this); }
         //! set values of series in time series
         Ttimeseries& operator=(const Tvalue& v) 
           { this->Tseries::operator=(v); return(*this); }
-        //@}
+        //!@}
 
         /*! \name Type conversion.
          */
-        //@{
+        //!@{
         //Tseries& series() { return(*this); }
         operator Tconsttimeseries() const
           { return(Tconsttimeseries(*this, header)); }
-        //@}
+        //!@}
       public:
         //! data header fields
         Theader header;