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diff --git a/spec/README.md b/spec/README.md index 60d4849f9c..6ab1589af9 100644 --- a/spec/README.md +++ b/spec/README.md @@ -19,6 +19,9 @@ In other words: If adding a spec might reveal a bug in another implementation, then it is worth adding it. Currently, the only module which is MRI-specific is `RubyVM`. +Version guards (`ruby_version_is`) must be added for new features or features +which change behavior or are removed. See `spec/ruby/CONTRIBUTING.md` for details. + ## Running ruby/spec To run all specs: |