• Change book.sgml to use Japanese version of authors.ent temporarily because unsynch'ed docs (translated) and newer authors.ent (original) can break Japanese doc tree. (Now we need "-FreeBSDENTITIES DocBook Author Entities//JA"?)

• Catch up with English version:

1.28 -> 1.30 advanced-networking/chapter.sgml

Submitted by: Shun SUZUKI <si006@ccm.gs.niigata-u.ac.jp>
Reviewed by: hrs
References: [doc-jp 7767]

1.29 -> 1.58 install/chapter.sgml

Submitted by: "Mas.TAKEMURA" <mastake@rr.iij4u.or.jp>
Reviewed by: Shun SUZUKI <si006@ccm.gs.niigata-u.ac.jp>, hrs
References: [doc-jp 7712]