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Short helpfile for action BF_LEGENDRE
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The following arguments are compulsory: 

                  ORDER - The order of the basis function expansion. 
                MINIMUM - The minimum of the interval on which the basis functions 
                          are defined. 
                MAXIMUM - The maximum of the interval on which the basis functions 
                          are defined. 

In addition you may use the following options: 

             DEBUG_INFO - ( default=off ) Print out more detailed information about 
                          the basis set. Useful for debugging. 
    NUMERICAL_INTEGRALS - ( default=off ) Calculate basis function integral for the 
                          uniform distribution numerically. Useful for debugging. 
                 SCALED - ( default=off ) Scale the polynomials such that they are 
                          orthonormal to 1. 

