Bug 36439 IndexOutOfBoundsException in HTML2TextReader
R2.1 1. Open java.regex.Pattern 2. Hover over "Pattern" ==> IndexOutOfBoundsException
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/HTML2TextReader.java
private static final String LINE_DELIM= System.getProperty("line.separator", "\n"); 
	private static final String EMPTY_STRING= ""; 
	private static final Map fgEntityLookup;
	private static final Set fgTags;
	
	static {
		
		fgTags= new HashSet();
		fgTags.add("b"); 
		fgTags.add("br"); 
		fgTags.add("h5"); 
		fgTags.add("p");