A mistake of Conforming Crouzeix–Raviart element #473

Describe the mistake
In the website, the P2 Conforming Crouzeix–Raviart element seems to be continuous on the domain, while the P3 seems to be noncomforming Crouzeix–Raviart element. More information can be found in the following article.

Conforming and nonconforming finite element methods for solving the stationary Stokes equations I.pdf