css3-text-decor][css4-background] @pattern for defining filling and decoration patterns from Sebastian Zartner on 2012-09-24 (www-style@w3.org from September 2012)
HTML Text Decoration | How does text-decoration work in HTML?
Styling Text - Beginning CSS3 - page 63
How to Change Text Style in CSS | Webucator
How do I control underlines and similar text decorations? - Web Tutorials - avajava.com
CSS2 text-decoration and child elements
css - text-decoration: apparent discrepancy between appearance and computed values - Stack Overflow