The following example demonstrates CKEditor 3.1 working with HTML5 elements, including section, header, hgroup, and article.
Section 1 Heading
Section 1 Subheading
Section 1, Article 1 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Section 1, Article 2 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Section 2 Heading
Section 2 Subheading
Section 2, Article 1 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Section 2, Article 2 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Download
Here is the modified complete bundle of CK Editor 3.1 and also the modified dtd.js for your own source builds.