Agreed, but he doesn't use ALL CAPS for internal links. If you look closely[1], you'll see he uses small caps which are typographically distinct. [1] check the

Agreed, but he doesn't use ALL CAPS for internal links. If you look closely[1], you'll see he uses small caps which are typographically distinct. [1] check the a.xref stylein his CSS: http://practicaltypography.com/styles.css http://practicaltypography.com/styles.css