Bug 40772 [plan item] Smart tab on empty lines
When having the caret on an empty line, pressing tab cleans up the line and sets the caret it the right indentation column.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/JdtActionConstants.java
/**
	 * Source menu: name of standard Uncomment global action
	 * (value <code>"org.eclipse.jdt.ui.actions.RemoveBlockComment"</code>).
	 * 
	 * @since 3.0
	 */
	public static final String REMOVE_BLOCK_COMMENT= "org.eclipse.jdt.ui.actions.RemoveBlockComment"; 
	
	/**
	 * Source menu: name of standard Shift Rightl action
	 * (value <code>"org.eclipse.jdt.ui.actions.ShiftRight"</code>).
	 */
	public static final String SHIFT_RIGHT= "org.eclipse.jdt.ui.actions.ShiftRight"; 
	
	/**
	 * Source menu: name of standard Shift Left global action
	 * (value <code>"org.eclipse.jdt.ui.actions.ShiftLeft"</code>).
	 */
	public static final String SHIFT_LEFT= "org.eclipse.jdt.ui.actions.ShiftLeft"; 
	
	/**
	 * Source menu: name of standard Format global action
	 * (value <code>"org.eclipse.jdt.ui.actions.Format"</code>).
	 */
	public static final String FORMAT= "org.eclipse.jdt.ui.actions.Format"; 
	
	/**
	 * Source menu: name of standard Add Import global action
	 * (value <code>"org.eclipse.jdt.ui.actions.AddImport"</code>).