Bug 27114 something leaks StyleRanges and Lines
180K of StyleReanges and 47K of Lines after: -open editor -close editor seems like StyleRange objects are never freed
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
*/
	protected int[] getBidiLineSegments(int lineOffset, String line) {
		IDocumentProvider provider= getDocumentProvider();
		if (provider != null && line != null && line.length() > 0) {
			IDocument document= provider.getDocument(getEditorInput());
			if (document != null)
				try {
					return getBidiLineSegments(document, lineOffset);
				} catch (BadLocationException x) {
					
				}
		}
		return null;
	}
	
	/*
	 * @see AbstractTextEditor#handleCursorPositionChanged()
	 */
	protected void handleCursorPositionChanged() {
		super.handleCursorPositionChanged();
		if (!isEditingScriptRunning() && fUpdater != null)
			fUpdater.post();
	}
	
	/**
	 * Initializes the given line number ruler column from the preference store.
	 * @param rulerColumn the ruler column to be initialized
	 */
	protected void initializeLineNumberRulerColumn(LineNumberRulerColumn rulerColumn) {
		JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools();