* Merge Extract and Part to the Part expression.
Renamed "MatrixBase::extract() const" to "MatrixBase::part() const"
* Renamed static functions identity, zero, ones, random with an upper case
first letter: Identity, Zero, Ones and Random.
diff --git a/doc/snippets/MatrixBase_row.cpp b/doc/snippets/MatrixBase_row.cpp
index 3f1d73b..b15e626 100644
--- a/doc/snippets/MatrixBase_row.cpp
+++ b/doc/snippets/MatrixBase_row.cpp
@@ -1,3 +1,3 @@
-Matrix3d m = Matrix3d::identity();
+Matrix3d m = Matrix3d::Identity();
m.row(1) = Vector3d(4,5,6);
cout << m << endl;