Warn future developers not to modify the save shapes to table function

qt/widgets/instrumentview/src/Projection3D.cpp

@@ -497,6 +497,9 @@ std::string Projection3D::saveToProject() const {
 void Projection3D::saveShapesToTableWorkspace() {
   m_maskShapes.saveToTableWorkspace();
 
+  // WARNING: Q1DWeighted heavily depends on the format of this function's
+  // output.
+  // Modify with great caution.
   std::shared_ptr<Mantid::API::ITableWorkspace> table =
       AnalysisDataService::Instance()
           .retrieveWS<typename Mantid::API::ITableWorkspace>(

qt/widgets/instrumentview/src/Shape2D.cpp

@@ -1200,6 +1200,9 @@ Shape2D *Shape2DSector::loadFromProject(const std::string &lines) {
  * @return a string representing the state of the sector
  */
 std::string Shape2DSector::saveToProject() const {
+  // WARNING: Q1DWeighted heavily depends on the format of this function's
+  // output (via "Save Shapes to table" in the instrument viewer draw tab).
+  // Modify with great caution.
   API::TSVSerialiser tsv;
 
   tsv.writeLine("Type") << "sector";

qt/widgets/instrumentview/src/Viewport.cpp

@@ -501,6 +501,9 @@ void Viewport::loadFromProject(const std::string &lines) {
 }
 
 std::string Viewport::saveToProject() const {
+  // WARNING: Q1DWeighted heavily depends on the format of this function's
+  // output (via "Save Shapes to table" in the instrument viewer draw tab).
+  // Modify with great caution.
   API::TSVSerialiser tsv;
   tsv.writeLine("Translation") << m_xTrans << m_yTrans;
   tsv.writeLine("Zoom") << m_zoomFactor;