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Short helpfile for action MFILTER_MORE
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The following arguments are compulsory: 

                   DATA - the vector you wish to transform 
                 SWITCH - the switching function that transform 

In addition you may use the following options: 

                 LOWMEM - ( default=off ) this flag does nothing and is present only 
                          to ensure back-compatibility 
                HIGHEST - ( default=off ) this flag allows you to recover the highest 
                          of these variables. 

