change embedding character in TestEmojiBreaks#test_embedded_emoji
In test/ruby/enc/test_emoji_breaks.rb, in method
TestEmojiBreaks#test_embedded_emoji, change the surrounding characters
from A/Z to the more neutral \t in preparation for upgrade to Unicode 11.0.0.
change embedding character in TestEmojiBreaks#test_embedded_emoji
In test/ruby/enc/test_emoji_breaks.rb, in method
TestEmojiBreaks#test_embedded_emoji, change the surrounding characters
from A/Z to the more neutral \t in preparation for upgrade to Unicode 11.0.0.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e