MFen:
book.sgml: 1.168 -> 1.169
config/chapter.sgml: typo fix [1]
install/chapter.sgml: 1.343 -> 1.344
mac/chapter.sgml: 1.68 -> 1.69
security/chapter.sgml: 1.309 -> 1.311
Submitted by: delphij,
YouRDj <yourdj sina com> [1]
Obtained from: The FreeBSD Simplified Chinese Project