To view recent changes to requirements:
 to
                     filter out all requirements except
                     those that have been changed since your last change acknowledgement.
 to
                     filter out all requirements except
                     those that have been changed since your last change acknowledgement.
                   
                   . 
                     		   
                  		    The acknowledge function resets the recent changes filter.
. 
                     		   
                  		    The acknowledge function resets the recent changes filter. 
                  		   
                  		
                again to remove filtering and see all requirements.
 again to remove filtering and see all requirements.