This procedure compares the sm_par structures for STXM4 and STXM5. It produces a list of the tags which exist in both STXM4 and STXM5, the tags which exist only in STXM4, the tags which exist only in STXM5, the tags where the data type has changed, and the tags where the number of elements has changed.
The calling sequence is
IDL> compare_sm_par [, outfile]
Specify outfile if you want the result written into a text file.