NAME: COMBINE_STRUCTS PURPOSE: takes two arrays of structures str1,str2 which have the same number of elements but possibly different tags and makes another structure which has the same number of elements but the tags of both str1,str2 and has their respective tags values copied into it CALLING SEQUENCE combine_structs, struct1, struct2, newstruct, structyp=structyp INPUTS: struct1,struc2: The two structures to be combined. If structure arrays, Must contain the same number of structs. KEYWORD PARAMETERS: structyp: a string with the name of the new structure. if already defined the program will crash. Author Dave Johnston UofM ADDED MVN_KP PREFIX WITHOUT MODIFYING ANY OTHER CODE FOR INCLUSION IN MAVEN TOOLKIT WITHOUT POSSIBILITY OF CONFLICT WITH ROUTINES ON USER COMPUTERS ALREADY.