[perl #128868] Thai digits do not increment with .succ successor method

[via RT]

# New Ticket Created by  Brent Laabs 
# Please include the string:  [perl #128868]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=128868 >


labster            m: say "\x[0e53]".succ eq "\x[0e53]"
camelia            rakudo-moar 77724b: OUTPUT«True␤»
labster            m: say "\x[0e53] ", uniname("\x[0e53]");
camelia            rakudo-moar 77724b: OUTPUT«๓ THAI DIGIT THREE␤»
masak            labster: ...so three follows on three?
labster            m: say "\x[0e54] ", uniname("\x[0e54]"); # Usually four
follows three
camelia            rakudo-moar 77724b: OUTPUT«๔ THAI DIGIT FOUR␤»
labster            m: say "\x[0e53]" ~~ /\d/;
camelia            rakudo-moar 77724b: OUTPUT«｢๓｣␤»