>> str := "Hello Amélie!"
>> str:upper()
= "HELLO AMÉLIE!"
>> str:lower()
= "hello amélie!"
>> str:lower():title()
= "Hello Amélie!"

>> \UE9
= "é"

>> \U65\U301
= "é"

>> \UE9 == \U65\U301
= yes

>> amelie := "Am{\UE9}lie"
>> amelie:clusters()
= ["A", "m", "é", "l", "i", "e"] : [Text]
>> amelie:codepoints()
= [65_i32, 109_i32, 101_i32, 769_i32, 108_i32, 105_i32, 101_i32] : [Int32]
>> amelie:bytes()
= [65_i8, 109_i8, 101_i8, -52_i8, -127_i8, 108_i8, 105_i8, 101_i8] : [Int8]
>> #amelie
= 6
>> amelie:num_clusters()
= 6
>> amelie:num_codepoints()
= 7
>> amelie:num_bytes()
= 8

>> amelie2 := "Am{\U65\U301}lie"
>> amelie2:clusters()
= ["A", "m", "é", "l", "i", "e"] : [Text]
>> amelie2:codepoints()
= [65_i32, 109_i32, 101_i32, 769_i32, 108_i32, 105_i32, 101_i32] : [Int32]
>> amelie2:bytes()
= [65_i8, 109_i8, 101_i8, -52_i8, -127_i8, 108_i8, 105_i8, 101_i8] : [Int8]
>> #amelie
= 6
>> amelie2:num_clusters()
= 6
>> amelie2:num_codepoints()
= 7
>> amelie2:num_bytes()
= 8

>> amelie:character_names()
= ["LATIN CAPITAL LETTER A", "LATIN SMALL LETTER M", "LATIN SMALL LETTER E", "COMBINING ACUTE ACCENT", "LATIN SMALL LETTER L", "LATIN SMALL LETTER I", "LATIN SMALL LETTER E"]
>> amelie2:character_names()
= ["LATIN CAPITAL LETTER A", "LATIN SMALL LETTER M", "LATIN SMALL LETTER E", "COMBINING ACUTE ACCENT", "LATIN SMALL LETTER L", "LATIN SMALL LETTER I", "LATIN SMALL LETTER E"]