Issue #8663 has been reported by boris_stitnicky (Boris Stitnicky). ---------------------------------------- Feature #8663: Officialy alias ArgumentError to ArgError https://bugs.ruby-lang.org/issues/8663 Author: boris_stitnicky (Boris Stitnicky) Status: Open Priority: Normal Assignee: Category: Target version: When not using custom made exceptions, I find myself using TypeError, NameError and ArgumentError the most. ArgumentError is the longest and I would like to suggest to alias it officially as ArgError. -- http://bugs.ruby-lang.org/