Bug 96917 [implementation] If two editors use the 2.x-compatible API, one or both doesn't work
At least one problem is that 3.0 installs partitioners for every editor that might possibly edit a file, but each editor expects its own partitioner to be installed. Leading to the famous white screen with blue line.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/PartiallySynchronizedDocument.java
*/
	public String get(int offset, int length) throws BadLocationException {
		synchronized (getLockObject()) {
            return super.get(offset, length);
        }
	}
	
	/*
	 * @see IDocument#getChar(int)
	 */
	public char getChar(int offset) throws BadLocationException {
		synchronized (getLockObject()) {
            return super.getChar(offset);
        }
	}
	
	/*
	 * @see org.eclipse.jface.text.IDocumentExtension4#getModificationStamp()
	 * @since 3.1
	 */
	public long getModificationStamp() {
		synchronized (getLockObject()) {
			return super.getModificationStamp();
		}
	}
	
	/*
	 * @see IDocument#replace(int, int, String)
	 */
	public void replace(int offset, int length, String text) throws BadLocationException {