VTK-4573 - think this should fix missing markup in description in gallery
VTK-4573 - think this should fix missing markup in description in gallery

(cherry picked from commit 8d5caa37ecf55264f0fac8f7bdadf04c0141de22)

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk