String literal difference from MRI #5052
Description
Environment
Running on Windows 10
>jruby -v
jruby 9.1.15.0 (2.3.3) 2017-12-07 929fde8 Java HotSpot(TM) 64-Bit Server VM 9.0.4+11 on 9.0.4+11 +jit [mswin32-x86_64]
>systeminfo
Host Name: BOB-ACER-SWIFT-
OS Name: Microsoft Windows 10 Home
OS Version: 10.0.16299 N/A Build 16299
...
Expected Behavior
>irb
irb(main):001:0> "#@"
=> "\#@"
Actual Behavior
>jirb
irb(main):001:0> "#@"
=> "@"