Bug Info:
=========
The key binding's(Home/End) are not functioning for JEditorpane which contains the html data with the following tags.

 <strike> or <p> or <sup> or <small>

The cursor is not positioning to beginning and ending of the line for the data which has embedded inside the above specified tags by pressing HOME and End keys.

JDK Info:
=========
java version "1.6.0_02"
Java(TM) SE Runtime Environment (build 1.6.0_02-b03)
Java HotSpot(TM) Client VM (build 1.6.0_02-b03, mixed mode, sharing)


Steps to reproduce:
===================
1.Download the attached java file and execute above specified jdk version.
£{JAVA_HOME}/bin/java JEditorPaneTest sample.html
2.Place the cursor on each line in editorpane and press Home and End key.

Expected Results:
=================
The cursor should traverse to beginning and ending of the line.

Actual Results:
===============
The cursor is not traversing for some lines which has embedded with above specified tags.