Bug 51092 [reconciling] JavaMultiPassReconciler removes annotations
I20040130 + plug-in export Open a CU which has errors and warnings. Observe: the annotations in overview and annotation ruler are quickly visible and then get removed. This is caused by JavaMultiPassReconciler.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/text/JavaSourceViewerConfiguration.java
this(tools, editor, null);
	}
	
	/**
	 * Returns the Java source code scanner for this configuration.
	 *
	 * @return the Java source code scanner
	 */
	protected RuleBasedScanner getCodeScanner() {
		return fJavaTextTools.getCodeScanner();
	}
	
	/**
	 * Returns the Java multiline comment scanner for this configuration.
	 *
	 * @return the Java multiline comment scanner
	 * @since 2.0
	 */
	protected RuleBasedScanner getMultilineCommentScanner() {
		return fJavaTextTools.getMultilineCommentScanner();
	}
	
	/**
	 * Returns the Java singleline comment scanner for this configuration.
	 *
	 * @return the Java singleline comment scanner
	 * @since 2.0
	 */
	protected RuleBasedScanner getSinglelineCommentScanner() {
		return fJavaTextTools.getSinglelineCommentScanner();