Index: zh_TW.UTF-8/books/handbook/chapters.ent
===================================================================
--- zh_TW.UTF-8/books/handbook/chapters.ent
+++ zh_TW.UTF-8/books/handbook/chapters.ent
@@ -16,7 +16,6 @@
 
 <!-- Part One -->
   <!ENTITY chap.introduction	SYSTEM "introduction/chapter.xml">
-  <!ENTITY chap.install		SYSTEM "install/chapter.xml">
   <!ENTITY chap.bsdinstall	SYSTEM "bsdinstall/chapter.xml">
   <!ENTITY chap.basics		SYSTEM "basics/chapter.xml">
   <!ENTITY chap.ports		SYSTEM "ports/chapter.xml">