Deal with Unicode ranges in the file emoji-sequences.txt

Detect Unicode ranges and loop over them.
This fixes issue #18028.

bin/goruby

@@ -0,0 +1 @@
+../goruby

bin/ruby

@@ -0,0 +1 @@
+../ruby

lib/libruby.so.3.1.0

@@ -0,0 +1 @@
+../libruby.so.3.1.0

test/ruby/enc/test_emoji_breaks.rb

@@ -84,7 +84,16 @@ TestEmojiBreaks.data_files_available? and  class TestEmojiBreaks
         raise "File Name Mismatch: line: #{line}, expected filename: #{file.basename}.txt"  if $.==1 and not line=="# #{file.basename}.txt"
         version_mismatch = false  if line =~ /^# Version: #{file.version}/
         next  if /\A(#|\z)/.match? line
-        file_tests << BreakTest.new(file.basename, $., *line.split('#')) rescue 'whatever'
+        if line =~ /^(\h{4,6})\.\.(\h{4,6}) *(;.+)/  # deal with Unicode ranges in emoji-sequences.txt (Bug #18028)
+          range_start = $1.to_i(16)
+          range_end   = $2.to_i(16)
+          rest        = $3
+          (range_start..range_end).each do |code_point|
+            file_tests << BreakTest.new(file.basename, $., *(code_point.to_s(16)+rest).split('#')) rescue 'whatever'
+          end
+        else
+          file_tests << BreakTest.new(file.basename, $., *line.split('#')) rescue 'whatever'
+        end
       end
       raise "File Version Mismatch: file: #{file.fullname}, version: #{file.version}"  if version_mismatch
       tests += file_tests