[hist] Escape "ROOT" in Doxygen comments

Otherwise it links to the ROOT namespace.

Author: hahnjo

hist/histv7/inc/ROOT/RAxes.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RAxes
 #define ROOT_RAxes
@@ -139,7 +139,7 @@ public:
       return {globalIndex, true};
    }
 
-   /// ROOT Streamer function to throw when trying to store an object of this class.
+   /// %ROOT Streamer function to throw when trying to store an object of this class.
    void Streamer(TBuffer &) { throw std::runtime_error("unable to store RAxes"); }
 };
 

hist/histv7/inc/ROOT/RBinIndex.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RBinIndex
 #define ROOT_RBinIndex
@@ -16,8 +16,8 @@ A bin index with special values for underflow and overflow bins.
 
 Objects of this type should be passed by value.
 
-\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is
-welcome!
+\warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+Feedback is welcome!
 */
 class RBinIndex final {
    static constexpr std::size_t UnderflowIndex = -3;

hist/histv7/inc/ROOT/RBinIndexRange.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RBinIndexRange
 #define ROOT_RBinIndexRange
@@ -36,8 +36,8 @@ for (auto index : axis.GetFullRange()) {
 }
 \endcode
 
-\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is
-welcome!
+\warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+Feedback is welcome!
 */
 class RBinIndexRange final {
    friend RBinIndexRange Internal::CreateBinIndexRange(RBinIndex, RBinIndex, std::size_t);

hist/histv7/inc/ROOT/RLinearizedIndex.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RLinearizedIndex
 #define ROOT_RLinearizedIndex
@@ -15,8 +15,8 @@ A linearized index that can be invalid.
 
 For example, when an argument is outside the axis and underflow / overflow bins are disabled.
 
-\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is
-welcome!
+\warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+Feedback is welcome!
 */
 struct RLinearizedIndex final {
    std::size_t fIndex = 0;

hist/histv7/inc/ROOT/RRegularAxis.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RRegularAxis
 #define ROOT_RRegularAxis
@@ -30,8 +30,8 @@ ROOT::Experimental::RRegularAxis axis(10, 5, 15);
 It is possible to disable underflow and overflow bins by passing `enableFlowBins = false`. In that case, arguments
 outside the axis will be silently discarded.
 
-\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is
-welcome!
+\warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+Feedback is welcome!
 */
 class RRegularAxis final {
    /// The number of normal bins
@@ -165,7 +165,7 @@ public:
                              : GetNormalRange();
    }
 
-   /// ROOT Streamer function to throw when trying to store an object of this class.
+   /// %ROOT Streamer function to throw when trying to store an object of this class.
    void Streamer(TBuffer &) { throw std::runtime_error("unable to store RRegularAxis"); }
 };
 

hist/histv7/inc/ROOT/RVariableBinAxis.hxx

@@ -1,6 +1,6 @@
 /// \file
-/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
-/// is welcome!
+/// \warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+/// Feedback is welcome!
 
 #ifndef ROOT_RVariableBinAxis
 #define ROOT_RVariableBinAxis
@@ -33,8 +33,8 @@ ROOT::Experimental::RVariableBinAxis axis(binEdges);
 It is possible to disable underflow and overflow bins by passing `enableFlowBins = false`. In that case, arguments
 outside the axis will be silently discarded.
 
-\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is
-welcome!
+\warning This is part of the %ROOT 7 prototype! It will change without notice. It might trigger earthquakes.
+Feedback is welcome!
 */
 class RVariableBinAxis final {
    /// The (ordered) edges of the normal bins
@@ -166,7 +166,7 @@ public:
                              : GetNormalRange();
    }
 
-   /// ROOT Streamer function to throw when trying to store an object of this class.
+   /// %ROOT Streamer function to throw when trying to store an object of this class.
    void Streamer(TBuffer &) { throw std::runtime_error("unable to store RVariableBinAxis"); }
 };