message: remove non ASCII character from comment
diff: @@ -336,7 +336,7 @@ namespace cv{
  }//End function LabelingWu operator()
  };//End struct LabelingWu
  - // Based on Optimized Block-based Connected Components Labeling with Decision Trees, Costantino Grana et al
  + // Based on "Optimized Block-based Connected Components Labeling with Decision Trees", Costantino Grana et al
  // Only for 8-connectivity
  template<typename LabelT, typename PixelT, typename StatsOp = NoOp >
  struct LabelingGrana{
  