message: Fix Doxygen formatting for DGDiffusionIntegrator
diff: @@ -3060,7 +3060,7 @@ public:
  /** Integrator for the DG form:
  - < {(Q grad(u)).n}, [v] > + sigma < [u], {(Q grad(v)).n} >
  - + kappa < {h^{-1} Q} [u], [v] >,
  + + kappa < {h^{-1} Q} [u], [v] >
  where Q is a scalar or matrix diffusion coefficient and u, v are the trial
  and test spaces, respectively. The parameters sigma and kappa determine the
  