Good documentation is essential for users to fully understand any software. Several PEAR packages lack documentation or have docs which need improvement. How to document code in practice provides more information about helping out on this front.
Deliver First Class Web Sites: 101 Essential Checklists Want to learn how to make your web sites usable and accessible? Want to ensure that your sites meet current best practice, without spending hours trawling through incomprehensible specifications and recommendations from dozens of different books, research papers, and web sites? Want to make sure that the sites you build are "right the first time," requiring no costly redevelopments?