Merge the following from the English version and

• Minor translate refinement.
• Convert `;' at end of line into Japanese punctuation mark.

1.163 -> 1.183 books/porters-handbook/book.sgml

Submitted by: Hiroo Ono <hiroo at jp dot FreeBSD dot jp>
Reviewed by: Yoshihiro Hosaka <hosaka.yoshihiro at gmail dot com>, ryusuke
Refereces: [doc-jp-work 1257, 2054, 2056, 2059, 2060, 2064, 2065]