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// Check that an issue value can be explicitly set to "0" instead of "none"
#![crate_type = "lib"]
#![feature(staged_api)]
#![stable(feature = "stable_test_feature", since = "1.0.0")]
#[unstable(feature = "unstable_test_feature", issue = "0")]
fn unstable_issue_0() {} //~^ ERROR `issue` must be a non-zero numeric string or "none"
#[unstable(feature = "unstable_test_feature", issue = "none")]
fn unstable_issue_none() {}
#[unstable(feature = "unstable_test_feature", issue = "something")]
fn unstable_issue_not_allowed() {} //~^ ERROR `issue` must be a non-zero numeric string or "none"
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