/usr/share/eccodes/definitions/mars/grib.edmm.an.def is in libeccodes-data 2.6.0-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 | # class e4
# NOTE: MARS step is startStep. See GRIB-378
alias mars.step = startStep;
alias mars.number=perturbationNumber;
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