Remove trailing whitespace.

ok jmc@
Improve line wrapping for lines exceeding 80 chars.

ok jmc@
Add missing SEE ALSO section header.

ok jmc@
Remove a leading whitespace.

ok jmc@
Remove trailing whitespace.

fine jmc@
Add missing SEE ALSO section header.

yup jmc@
Improve line wrapping for lines exceeding 80 chars.

ok jmc@