Add missing .El. From Henning Petersen in PR 49325.
Sanity-check the date before storing it in the RTC, error out for non
representable dates.
Add an entry for recent pppd modules mishap.
Typo in comment
spellcheck: avialable -> available
Fix typo.
PR/49325: Henning Petersen: Add missing .El's.
PR/49326: Henning Petersen: Correct errors in man pages csf.9 , pci.9 and ucom.9
add RETURN VALUES

from Martin Lucina, via rumpkernel-users
Make fewer assumptions about the host.
print mapped addresses better
Unfix parts of previous.
We currently do not split arguments in their components if they
are functions with arguments themselves.
Sort SEE ALSO. From Henning Petersen in PR 49327.
New sentence, new line.
Minor fixes.
fix multiple mistakes:
- error from copyout was ignored
- the wrong size was specified in copyin
- missing locking.
fix typo, use different address
fix pasto; thanks John-Mark Gurney...
disestalish interrupt and unmap register when attach failed.