Georges Dupéron c76663a689 Added zero-scopes? scopes-equal? has-all-scopes? has-any-scope?		2017-01-29 20:03:06 +01:00
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scope-operations.scrbl	Added zero-scopes? scopes-equal? has-all-scopes? has-any-scope?	2017-01-29 20:03:06 +01:00