Correction d'une formulation.
Correctif sur le rang max d'une matière.
Merge branch 'release-1.6.0' into release-1.6.1
Merge branch 'release-1.6.1' into release-1.6.2
Merge branch 'release-1.6.2' into release-1.6.3
Merge branch 'release-1.6.3'