hash.c: Do not use Unicode double-quotes
It made rdoc fail.
https://rubyci.org/logs/rubyci.s3.amazonaws.com/ubuntu1804/ruby-master/log/20191023T183005Z.fail.html.gz
RDoc is not a full Ruby parser and will fail when fed invalid ruby programs. The internal error was: (ArgumentError) invalid byte sequence in US-ASCII uh-oh! RDoc had a problem: invalid byte sequence in US-ASCII
Added by mame (Yusuke Endoh) about 6 years ago
hash.c: Do not use Unicode double-quotes
It made rdoc fail.
https://rubyci.org/logs/rubyci.s3.amazonaws.com/ubuntu1804/ruby-master/log/20191023T183005Z.fail.html.gz