document changes in pkg/mdsio (S/R MDS_PASS_R4/8toRL/S & MDS_READ/WRITEVEC_LOC)
document changes in pkg/mdsio (S/R MDS_PASS_R4/8toRL/S & MDS_READ/WRITEVEC_LOC)

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h