Issue #7510 has been reported by sho-h (Sho Hashimoto).

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Feature #7510: irb --help ??????
https://bugs.ruby-lang.org/issues/7510

Author: sho-h (Sho Hashimoto)
Status: Open
Priority: Low
Assignee: 
Category: lib
Target version: 2.0.0


irb --help ?????表示???????????????????????????????????修正?????????????????????????????????添????????????????????????????込??????????????????????


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