FUNCTION :  latexprinttypeL7 - latex print list of Type 7 identities
                               to a latex file
                

CALLING SEQUENCE :  latexprinttypeL7(LL,EQNNAME,FILENAME)
                    

PARAMETERS :  LL - list of type 1ists 
         EQNNAME - equation tag
        FILENAME - file name    


SYNOPSIS :   
   Print Type 7 identities to a latex file
   
   See latexprinttypeL1
   for an example of this type of function.