[ruby/stringio] [DOC] Tweaks for StringIO#pos= (https://github.com/ruby/stringio/pull/194)
https://github.com/ruby/stringio/commit/3cef1e0e5f
[ruby/stringio] [DOC] Tweaks for StringIO#pos=
(https://github.com/ruby/stringio/pull/194)
https://github.com/ruby/stringio/commit/3cef1e0e5f