[ruby/irb] Accept " " for colorizing "\t" test (https://github.com/ruby/irb/pull/924)
https://github.com/ruby/irb/commit/c8182fa490
[ruby/irb] Accept " " for colorizing "\t" test
(https://github.com/ruby/irb/pull/924)
https://github.com/ruby/irb/commit/c8182fa490