http://java.sun.com/j2se/1.5.0/ja/docs/ja/api/javax/swing/text/JTextComponent.html
 - In "Text Input" section, 3rd paragraph, <code> tag isn't properly closed resulting rest of the paragraph in displayed with cosmetic problem.
 - typo: JextComponent

http://java.sun.com/j2se/1.5.0/ja/docs/ja/api/javax/swing/text/Caret.html#deinstall(javax.swing.text.JTextComponent)
http://java.sun.com/j2se/1.5.0/ja/docs/ja/api/javax/swing/text/Caret.html#install(javax.swing.text.JTextComponent)
Translations should be improved.
 - "UI wo sakujo shiteiru tokini" -> "UI ga sakujo sareru tokini"
 - "UI wo insuto-ru siteiru tokini" -> "UI ga insuto-ru sareru tokini"

http://java.sun.com/j2se/1.5.0/ja/docs/ja/api/javax/swing/text/DefaultCaret.html#deinstall(javax.swing.text.JTextComponent)
Translations should be improved. "UI wo sakujo shiteiru tokini" -> "UI ga sakujo sareru tokini"