K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2021-10-17T18:47:53.500965Z
K 7
svn:log
V 369
pxeboot(8): remove antiquated information

While I was there:
- Fix some typos
- Fix an excessive argument "indent" reported by mandoc -Tlint
- Replace a dead link with the one suggested by
  https://www.uefi.org/uefi

(cherry picked from commit c90fb7acf099f1dc982f8d6087aa92809ae43727)

Git Hash:   2b22b85e58e356344ab7be2001b098b98187c781
Git Author: ygy@FreeBSD.org
END