utf8proc_category_t

< Other, not assigned

< Letter, uppercase

< Letter, lowercase

< Letter, titlecase

< Letter, modifier

< Letter, other

< Mark, nonspacing

< Mark, spacing combining

< Mark, enclosing

< Number, decimal digit

< Number, letter

< Number, other

< Punctuation, connector

< Punctuation, dash

< Punctuation, open

< Punctuation, close

< Punctuation, initial quote

< Punctuation, final quote

< Punctuation, other

< Symbol, math

< Symbol, currency

< Symbol, modifier

< Symbol, other

< Separator, space

< Separator, line

< Separator, paragraph

< Other, control

< Other, format

< Other, surrogate