Bug 42109 Go to Previous target not acting like Go to Next target
Go to Previous target is searching through unselected targets such as warnings. The behavior is dissimilar from Go to Next target whose action is reflecting the selection of the drop down to configure targets. The checkmarks for the two are the same, but the behavior differs.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
/**
		 * Creates a new smart line start action
		 * 
		 * @param textWidget the styled text widget
		 * @param doSelect a boolean flag which tells if the text up to the beginning of the line should be selected
		 */
		public SmartLineStartAction(final StyledText textWidget, final boolean doSelect) {
			super(textWidget, doSelect);
		}
		/*
		 * @see org.eclipse.ui.texteditor.AbstractTextEditor.LineStartAction#getLineStartPosition(java.lang.String, int, java.lang.String)
		 */
		protected int getLineStartPosition(final IDocument document, final String line, final int length, final int offset) {