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Andrei Paskevich authored
use "begin <spec> <expr_seq> end" instead. The word "abstract" is now only used to declare a private type whose fields are all ghost.
91b9f5bc
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
use "begin <spec> <expr_seq> end" instead. The word "abstract" is now only used to declare a private type whose fields are all ghost.