Remove \nonstable yet. The stability rules for Eigen3 are much simpler:

 - all what's not in unsupported/ is considered stable API
    (except internal stuff e.g. expression templates).

1 files changed, 1 insertions, 1 deletions

diff --git a/Eigen/Sparse b/Eigen/Sparse
index 1167ce78f..ce6ef2f3c 100644
--- a/Eigen/Sparse
+++ b/Eigen/Sparse
@@ -15,7 +15,7 @@ namespace Eigen {
 
 /** \defgroup Sparse_Module Sparse module
   *
-  * \nonstableyet
+  *
   *
   * See the \ref TutorialSparse "Sparse tutorial"
   *