Update Question 14.21:
- Mark up options with <option>
- Remove all references to the "latest version" of ppp(8)
- Mark up tun(4)
- Remove smiley (no smiling :))
- Use —
- Mark up DHCP with <acronym>
- Detach and mark up bind() with <function>
- Mark up IP addresses
Reviewed by: trhodes
Approved by: gabor